feat: add lychee link checks

.github/workflows/check-links.yml

@@ -0,0 +1,29 @@
+# yaml-language-server: $schema=https://json.schemastore.org/github-workflow.json
+
+name: Check Links
+
+permissions: {}
+
+on:
+  pull_request:
+    branches:
+    - "*"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  linkChecker:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - name: Check unrendered links
+      id: lychee_unrendered
+      uses: lycheeverse/lychee-action@82202e5e9c2f4ef1a55a3d02563e1cb6041e5332 # v2.4.1
+      env:
+        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      with:
+        fail: true
+        debug: false
+        args: --github-token ${{secrets.GITHUB_TOKEN}} --config config/lychee.toml --max-concurrency 2 --max-retries 3 --retry-wait-time 5 --accept 200,429 --timeout 60 -E ./content

config/lychee.toml

@@ -0,0 +1 @@
+exclude_path = ["public/docs/reference/"]