add broken link checker bot

Author: dhruv-tyagi-broadcom

.github/workflows/links.yml

@@ -0,0 +1,51 @@
+name: Links
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  repository_dispatch:
+  workflow_dispatch:
+  schedule:
+    - cron: "00 18 * * 1"
+
+jobs:
+  linkChecker:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Restore lychee cache
+        id: restore-cache
+        uses: actions/cache/restore@v5
+        with:
+          path: .lycheecache
+          key: cache-lychee-${{ github.sha }}
+          restore-keys: cache-lychee-
+
+      - name: Link Checker
+        id: lychee
+        uses: lycheeverse/lychee-action@v2
+        with:
+          args: --cache --max-cache-age 7d --verbose --no-progress './**/*.md'
+          fail: false
+
+      - name: Save lychee cache
+        uses: actions/cache/save@v5
+        if: always()
+        with:
+          path: .lycheecache
+          key: ${{ steps.restore-cache.outputs.cache-primary-key }}
+
+      - name: Create Issue From File
+        if: steps.lychee.outputs.exit_code != 0
+        uses: peter-evans/create-issue-from-file@v5
+        with:
+          title: Link Checker Report
+          content-filepath: ./lychee/out.md
+          labels: report, automated issue