Fix URLs (#264)

* Use docs.arduino.cc URL instead of gtsb.io

* Update .lycheeignore

* Update link

Author: seaxwi

.lycheeignore

@@ -12,3 +12,6 @@ https://cloud.arduino.cc/plans
 
 # "Network error: Forbidden" despite working redirect
 https://www.arduino.cc/en/Guide/Troubleshooting
+
+# Returns 403 (but is accessible in browser)
+https://www.digikey.se/product-detail/en/jst-sales-america-inc/PHR-2/455-1165-ND/608607

content/Arduino Cloud/Web Editor/Boards-compatible-with-the-Web-Editor.md

@@ -24,7 +24,7 @@ These boards are supported:
 * Arduino MKR WiFi 1010
 * Arduino Nano 33 IoT
 * Arduino Nano RP2040 Connect ([setup instructions](https://docs.arduino.cc/tutorials/nano-rp2040-connect/rp2040-chromebook-upload))
-* Arduino UNO WiFi Rev2 ([setup instructions](https://docscontent-karlsoderbychromebookunowifire.gtsb.io/tutorials/uno-wifi-rev2/uno-wifi-r2-chromebook-installation))
+* Arduino UNO WiFi Rev2 ([setup instructions](https://docs.arduino.cc/tutorials/uno-wifi-rev2/uno-wifi-r2-chromebook-installation))
 
 <a class="link-chevron-right" href="https://support.arduino.cc/hc/en-us/articles/360016495639-Use-Arduino-with-Chromebook">Learn more about using Arduino with Chromebook</a>
 

content/Hardware Support/Generic/Flash-USB-to-serial-firmware-in-DFU-mode.md

@@ -33,7 +33,7 @@ Within the platform directory, the usb to serial firmware is found in `firmwares
 
 ### Using dfu-programmer (macOS/Linux)
 
-1. Download **dfu-programmer** from the [project website](https://dfu-programmer.sourceforge.io/) or install the `dfu-programmer` package using a package manager like [homebrew](https://brew.sh/index) (macOS) or [apt-get](https://manpages.ubuntu.com/manpages/kinetic/en/man8/apt-get.8.html) (Ubuntu).
+1. Download **dfu-programmer** from the [GitHub repository](https://github.com/dfu-programmer/dfu-programmer/releases) or install the `dfu-programmer` package using a package manager like [homebrew](https://brew.sh/index) (macOS) or [apt-get](https://manpages.ubuntu.com/manpages/kinetic/en/man8/apt-get.8.html) (Ubuntu).
 
 2. Connect the board to your computer.