Add ability to check links.

Signed-off-by: Gerd Zellweger <[email protected]>

.github/workflows/check-failures.yml

@@ -0,0 +1,20 @@
+name: Notify Failures To Slack
+on:
+  workflow_run:
+    workflows: ['Link Checker']
+    types: [completed]
+    branches: [main]
+
+jobs:
+  on-failure:
+    runs-on: ubuntu-latest
+    if: github.event.workflow_run.conclusion == 'failure' || github.event.workflow_run.conclusion == 'timed_out'
+    steps:
+      - uses: ravsamhq/notify-slack-action@v2
+        with:
+          status: ${{ github.event.workflow_run.conclusion }}
+          notification_title: " ${{github.event.workflow_run.name}} - ${{github.event.workflow_run.conclusion}} on ${{github.event.workflow_run.head_branch}} - <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View Failure>"
+          message_format: ":fire: *${{github.event.workflow_run.name}}* ${{github.event.workflow_run.conclusion}} in <${{github.server_url}}/${{github.repository}}/tree/${{github.event.workflow_run.head_branch}}|${{github.repository}}>"
+          footer: "Linked Repo <${{github.server_url}}/${{github.repository}}|${{github.repository}}> | <${{github.server_url}}/${{github.repository}}/actions/runs/${{github.event.workflow_run.id}}|View Failure>"
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.CI_FAILURE_TO_SLACK_WEBHOOK }}

.github/workflows/linkcheck.yml

@@ -0,0 +1,26 @@
+name: Link Checker
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+jobs:
+  linkcheck:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Install the default version of uv
+        id: setup-uv
+        uses: astral-sh/setup-uv@v2
+
+      - name: Check links on feldera.com
+        run: |
+          uv run --locked linkchecker https://feldera.com --check-extern --no-status
+
+      - name: Check links on docs.feldera.com
+        run: |
+          uv run --locked linkchecker https://docs.feldera.com --check-extern --no-status

.python-version

@@ -0,0 +1 @@
+3.10