Add 404 URL checker

.github/workflows/links.yml

@@ -0,0 +1,25 @@
+name: Links
+
+on:
+  push:
+    branches:
+      - generated
+
+jobs:
+  linkChecker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Link Checker
+        id: lychee
+        uses: lycheeverse/lychee-action@v1
+
+      - name: Create Issue From File
+        if: env.lychee_exit_code != 0
+        uses: peter-evans/create-issue-from-file@v4
+        with:
+          title: Link Checker Report
+          content-filepath: ./lychee/out.md
+          labels: report, automated issue
+