Add lychee link checker workflow

Author: cnaples79

.github/workflows/link-check.yml

@@ -0,0 +1,30 @@
+name: Link Check
+
+on:
+  pull_request:
+    paths:
+      - '**/*.md'
+      - '**/*.mdx'
+      - '**/*.html'
+      - 'docs/**'
+      - 'blog/**'
+      - 'static/**'
+      - 'docusaurus.config.js'
+      - 'sidebars.js'
+  schedule:
+    - cron: '0 3 * * 1'
+  workflow_dispatch:
+
+jobs:
+  lychee:
+    name: Check links with lychee
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Run lychee
+        uses: lycheeverse/lychee-action@v1.10.0
+        with:
+          args: "--verbose --no-progress --exclude-mail"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}