Add semantic-release as action

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Setup Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: 14
+
+      - name: Install dependencies
+        run: npm ci
+      - name: Build
+        run: npm run build
+
+      - name: Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: npx semantic-release

.npmignore

@@ -0,0 +1,3 @@
+.devcontainer/
+.github/
+nodecg/

.releaserc

@@ -0,0 +1,15 @@
+{
+    "branches": [
+        "master"
+    ],
+    "plugins": [
+        "@semantic-release/commit-analyzer",
+        "@semantic-release/release-notes-generator",
+        "@semantic-release/npm",
+        ["@semantic-release/git", {
+          "assets": ["package.json", "package-lock.json"],
+          "message": "chore(release): Release ${nextRelease.version}\n\n${nextRelease.notes}"
+        }],
+        "@semantic-release/github"
+    ]
+}