Revert "upgrade ruby version, lockfile"

.ruby-version

@@ -1 +1 @@
-3.3.0
+2.7.8

Gemfile

@@ -1,9 +1,9 @@
 source "https://rubygems.org"
-ruby "3.3.0"
+ruby "2.7.8"
 
 group :jekyll_plugins do
   gem "github-pages"
   gem "jekyll-paginate-v2"
   gem 'jekyll-autoprefixer'
   gem 'jekyll-feed'
-end
+end

Gemfile.lock

@@ -1,72 +1,51 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (8.0.0)
-      base64
-      benchmark (>= 0.3)
-      bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.3.1)
-      connection_pool (>= 2.2.5)
-      drb
-      i18n (>= 1.6, < 2)
-      logger (>= 1.4.2)
-      minitest (>= 5.1)
-      securerandom (>= 0.3)
-      tzinfo (~> 2.0, >= 2.0.5)
-      uri (>= 0.13.1)
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
-    base64 (0.2.0)
-    benchmark (0.4.0)
-    bigdecimal (3.1.8)
+    activesupport (6.0.6.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    autoprefixer-rails (9.8.6.5)
+      execjs
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.12.2)
+    coffee-script-source (1.11.1)
     colorator (1.1.0)
-    commonmarker (0.23.10)
-    concurrent-ruby (1.3.4)
-    connection_pool (2.4.1)
-    csv (3.3.0)
-    dnsruby (1.72.2)
-      simpleidn (~> 0.2.1)
-    drb (2.2.1)
-    em-websocket (0.5.3)
+    commonmarker (0.17.13)
+      ruby-enum (~> 0.5)
+    concurrent-ruby (1.2.0)
+    dnsruby (1.61.5)
+      simpleidn (~> 0.1)
+    em-websocket (0.5.2)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0)
-    ethon (0.16.0)
-      ffi (>= 1.15.0)
+      http_parser.rb (~> 0.6.0)
+    ethon (0.12.0)
+      ffi (>= 1.3.0)
     eventmachine (1.2.7)
-    execjs (2.10.0)
-    faraday (2.12.1)
-      faraday-net_http (>= 2.0, < 3.5)
-      json
-      logger
-    faraday-net_http (3.4.0)
-      net-http (>= 0.5.0)
-    ffi (1.17.0-aarch64-linux-gnu)
-    ffi (1.17.0-aarch64-linux-musl)
-    ffi (1.17.0-arm-linux-gnu)
-    ffi (1.17.0-arm-linux-musl)
-    ffi (1.17.0-arm64-darwin)
-    ffi (1.17.0-x86-linux-gnu)
-    ffi (1.17.0-x86-linux-musl)
-    ffi (1.17.0-x86_64-darwin)
-    ffi (1.17.0-x86_64-linux-gnu)
-    ffi (1.17.0-x86_64-linux-musl)
+    execjs (2.7.0)
+    faraday (1.3.0)
+      faraday-net_http (~> 1.0)
+      multipart-post (>= 1.2, < 3)
+      ruby2_keywords
+    faraday-net_http (1.0.1)
+    ffi (1.15.0)
     forwardable-extended (2.6.0)
-    gemoji (4.1.0)
-    github-pages (232)
-      github-pages-health-check (= 1.18.2)
-      jekyll (= 3.10.0)
-      jekyll-avatar (= 0.8.0)
-      jekyll-coffeescript (= 1.2.2)
-      jekyll-commonmark-ghpages (= 0.5.1)
-      jekyll-default-layout (= 0.1.5)
-      jekyll-feed (= 0.17.0)
+    gemoji (3.0.1)
+    github-pages (214)
+      github-pages-health-check (= 1.17.0)
+      jekyll (= 3.9.0)
+      jekyll-avatar (= 0.7.0)
+      jekyll-coffeescript (= 1.1.1)
+      jekyll-commonmark-ghpages (= 0.1.6)
+      jekyll-default-layout (= 0.1.4)
+      jekyll-feed (= 0.15.1)
       jekyll-gist (= 1.5.0)
-      jekyll-github-metadata (= 2.16.1)
-      jekyll-include-cache (= 0.2.1)
+      jekyll-github-metadata (= 2.13.0)
       jekyll-mentions (= 1.6.0)
       jekyll-optional-front-matter (= 0.3.2)
       jekyll-paginate (= 1.1.0)
@@ -75,51 +54,49 @@ GEM
       jekyll-relative-links (= 0.6.1)
       jekyll-remote-theme (= 0.4.3)
       jekyll-sass-converter (= 1.5.2)
-      jekyll-seo-tag (= 2.8.0)
+      jekyll-seo-tag (= 2.7.1)
       jekyll-sitemap (= 1.4.0)
       jekyll-swiss (= 1.0.0)
-      jekyll-theme-architect (= 0.2.0)
-      jekyll-theme-cayman (= 0.2.0)
-      jekyll-theme-dinky (= 0.2.0)
-      jekyll-theme-hacker (= 0.2.0)
-      jekyll-theme-leap-day (= 0.2.0)
-      jekyll-theme-merlot (= 0.2.0)
-      jekyll-theme-midnight (= 0.2.0)
-      jekyll-theme-minimal (= 0.2.0)
-      jekyll-theme-modernist (= 0.2.0)
-      jekyll-theme-primer (= 0.6.0)
-      jekyll-theme-slate (= 0.2.0)
-      jekyll-theme-tactile (= 0.2.0)
-      jekyll-theme-time-machine (= 0.2.0)
+      jekyll-theme-architect (= 0.1.1)
+      jekyll-theme-cayman (= 0.1.1)
+      jekyll-theme-dinky (= 0.1.1)
+      jekyll-theme-hacker (= 0.1.2)
+      jekyll-theme-leap-day (= 0.1.1)
+      jekyll-theme-merlot (= 0.1.1)
+      jekyll-theme-midnight (= 0.1.1)
+      jekyll-theme-minimal (= 0.1.1)
+      jekyll-theme-modernist (= 0.1.1)
+      jekyll-theme-primer (= 0.5.4)
+      jekyll-theme-slate (= 0.1.1)
+      jekyll-theme-tactile (= 0.1.1)
+      jekyll-theme-time-machine (= 0.1.1)
       jekyll-titles-from-headings (= 0.5.3)
-      jemoji (= 0.13.0)
-      kramdown (= 2.4.0)
+      jemoji (= 0.12.0)
+      kramdown (= 2.3.1)
       kramdown-parser-gfm (= 1.1.0)
-      liquid (= 4.0.4)
+      liquid (= 4.0.3)
       mercenary (~> 0.3)
       minima (= 2.5.1)
-      nokogiri (>= 1.16.2, < 2.0)
-      rouge (= 3.30.0)
+      nokogiri (>= 1.10.4, < 2.0)
+      rouge (= 3.26.0)
       terminal-table (~> 1.4)
-      webrick (~> 1.8)
-    github-pages-health-check (1.18.2)
+    github-pages-health-check (1.17.0)
       addressable (~> 2.3)
       dnsruby (~> 1.60)
-      octokit (>= 4, < 8)
-      public_suffix (>= 3.0, < 6.0)
+      octokit (~> 4.0)
+      public_suffix (>= 2.0.2, < 5.0)
       typhoeus (~> 1.3)
-    html-pipeline (2.14.3)
+    html-pipeline (2.14.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    http_parser.rb (0.8.0)
-    i18n (1.14.6)
+    http_parser.rb (0.6.0)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    jekyll (3.10.0)
+    jekyll (3.9.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
-      csv (~> 3.0)
       em-websocket (~> 0.5)
-      i18n (>= 0.7, < 2)
+      i18n (~> 0.7)
       jekyll-sass-converter (~> 1.0)
       jekyll-watch (~> 2.0)
       kramdown (>= 1.17, < 3)
@@ -128,30 +105,29 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-      webrick (>= 1.0)
-    jekyll-avatar (0.8.0)
+    jekyll-autoprefixer (1.0.2)
+      autoprefixer-rails (~> 9.3)
+    jekyll-avatar (0.7.0)
       jekyll (>= 3.0, < 5.0)
-    jekyll-coffeescript (1.2.2)
+    jekyll-coffeescript (1.1.1)
       coffee-script (~> 2.2)
-      coffee-script-source (~> 1.12)
-    jekyll-commonmark (1.4.0)
-      commonmarker (~> 0.22)
-    jekyll-commonmark-ghpages (0.5.1)
-      commonmarker (>= 0.23.7, < 1.1.0)
-      jekyll (>= 3.9, < 4.0)
-      jekyll-commonmark (~> 1.4.0)
-      rouge (>= 2.0, < 5.0)
-    jekyll-default-layout (0.1.5)
-      jekyll (>= 3.0, < 5.0)
-    jekyll-feed (0.17.0)
+      coffee-script-source (~> 1.11.1)
+    jekyll-commonmark (1.3.1)
+      commonmarker (~> 0.14)
+      jekyll (>= 3.7, < 5.0)
+    jekyll-commonmark-ghpages (0.1.6)
+      commonmarker (~> 0.17.6)
+      jekyll-commonmark (~> 1.2)
+      rouge (>= 2.0, < 4.0)
+    jekyll-default-layout (0.1.4)
+      jekyll (~> 3.0)
+    jekyll-feed (0.15.1)
       jekyll (>= 3.7, < 5.0)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)
-    jekyll-github-metadata (2.16.1)
+    jekyll-github-metadata (2.13.0)
       jekyll (>= 3.4, < 5.0)
-      octokit (>= 4, < 7, != 4.4.0)
-    jekyll-include-cache (0.2.1)
-      jekyll (>= 3.7, < 5.0)
+      octokit (~> 4.0, != 4.4.0)
     jekyll-mentions (1.6.0)
       html-pipeline (~> 2.3)
       jekyll (>= 3.7, < 5.0)
@@ -173,146 +149,129 @@ GEM
       rubyzip (>= 1.3.0, < 3.0)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
-    jekyll-seo-tag (2.8.0)
+    jekyll-seo-tag (2.7.1)
       jekyll (>= 3.8, < 5.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-swiss (1.0.0)
-    jekyll-theme-architect (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-architect (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-cayman (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-cayman (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-dinky (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-dinky (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-hacker (0.2.0)
+    jekyll-theme-hacker (0.1.2)
       jekyll (> 3.5, < 5.0)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-leap-day (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-leap-day (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-merlot (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-merlot (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-midnight (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-midnight (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-minimal (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-minimal (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-modernist (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-modernist (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-primer (0.6.0)
+    jekyll-theme-primer (0.5.4)
       jekyll (> 3.5, < 5.0)
       jekyll-github-metadata (~> 2.9)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-slate (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-slate (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-tactile (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-tactile (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
-    jekyll-theme-time-machine (0.2.0)
-      jekyll (> 3.5, < 5.0)
+    jekyll-theme-time-machine (0.1.1)
+      jekyll (~> 3.5)
       jekyll-seo-tag (~> 2.0)
     jekyll-titles-from-headings (0.5.3)
       jekyll (>= 3.3, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jemoji (0.13.0)
-      gemoji (>= 3, < 5)
+    jemoji (0.12.0)
+      gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    json (2.8.2)
-    kramdown (2.4.0)
+    kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    liquid (4.0.4)
-    listen (3.9.0)
+    liquid (4.0.3)
+    listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    logger (1.6.1)
     mercenary (0.3.6)
+    mini_portile2 (2.8.1)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.25.1)
-    net-http (0.5.0)
-      uri
-    nokogiri (1.16.7-aarch64-linux)
-      racc (~> 1.4)
-    nokogiri (1.16.7-arm-linux)
+    minitest (5.17.0)
+    multipart-post (2.1.1)
+    nokogiri (1.14.3)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.16.7-arm64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.16.7-x86-linux)
-      racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-linux)
-      racc (~> 1.4)
-    octokit (4.25.1)
-      faraday (>= 1, < 3)
-      sawyer (~> 0.9)
+    octokit (4.20.0)
+      faraday (>= 0.9)
+      sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.1.1)
-    racc (1.8.1)
-    rb-fsevent (0.11.2)
-    rb-inotify (0.11.1)
+    public_suffix (4.0.6)
+    racc (1.6.2)
+    rb-fsevent (0.10.4)
+    rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rexml (3.3.9)
-    rouge (3.30.0)
-    rubyzip (2.3.2)
+    rexml (3.2.5)
+    rouge (3.26.0)
+    ruby-enum (0.9.0)
+      i18n
+    ruby2_keywords (0.0.4)
+    rubyzip (2.3.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.9.2)
+    sawyer (0.8.2)
       addressable (>= 2.3.5)
-      faraday (>= 0.17.3, < 3)
-    securerandom (0.3.2)
-    simpleidn (0.2.3)
+      faraday (> 0.8, < 2.0)
+    simpleidn (0.2.1)
+      unf (~> 0.1.4)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    typhoeus (1.4.1)
+    thread_safe (0.3.6)
+    typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    unicode-display_width (1.8.0)
-    uri (1.0.2)
-    webrick (1.9.0)
+    tzinfo (1.2.11)
+      thread_safe (~> 0.1)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.7)
+    unicode-display_width (1.7.0)
+    zeitwerk (2.6.7)
 
 PLATFORMS
-  aarch64-linux
-  aarch64-linux-gnu
-  aarch64-linux-musl
-  arm-linux
-  arm-linux-gnu
-  arm-linux-musl
-  arm64-darwin
-  x86-linux
-  x86-linux-gnu
-  x86-linux-musl
-  x86_64-darwin
-  x86_64-linux
-  x86_64-linux-gnu
-  x86_64-linux-musl
+  ruby
 
 DEPENDENCIES
   github-pages
+  jekyll-autoprefixer
   jekyll-feed
   jekyll-paginate-v2
 
 RUBY VERSION
-   ruby 3.3.0p0
+   ruby 2.7.8p225
 
 BUNDLED WITH
-   2.5.23
+   1.17.2

README.md

@@ -14,34 +14,37 @@ Install the following packages before attempting to setup the project:
 
 On OSX, you can use:
 
-```bash
+```
 brew install rbenv ruby-build nvm
 ```
 
 ## Setup
 
 #### Install required Ruby version:
 
-```bash
+```
 #### You only need to run these commands if you are missing the needed Ruby version.
+
 rbenv install `cat .ruby-version`
-gem install bundler -v 2.5.23
+gem install bundler -v 1.16.3
 rbenv rehash
 
+####
+
 bundle install
 rbenv rehash
 ```
 
-#### Install Node
+#### Install required Node version
 
-```bash
+```
 nvm install
 nvm use
 ```
 
 #### Install Yarn
 
-```bash
+```
 brew install yarn --ignore-dependencies
 yarn install
 ```
@@ -50,15 +53,19 @@ yarn install
 
 To run the website locally for development:
 
-```bash
+```
 make serve
 ```
 
 Then navigate to [localhost:4000](localhost:4000).
 
+Note the `serve` task is contained in a `Makefile` in the root directory. We are using `make` as an alternative to the standard `jekyll serve` as we want to run `yarn`, which is not included in Jekyll by default.
+
+### Building the Static Site
+
 To build the static website from source:
 
-```bash
+```
 make build
 ```