Add Slack notification on links CI failure (#10)

Author: glenn-jocher

.github/workflows/links.yml

@@ -67,3 +67,17 @@ jobs:
           retry_wait_seconds: 60
           max_attempts: 3
           command: lychee --accept 429,999 --exclude-loopback --exclude 'https?://(www\.)?(linkedin\.com|twitter\.com|instagram\.com|kaggle\.com|tiktok\.com|fonts\.gstatic\.com|fonts\.googleapis\.com|url\.com|wellfound\.com|.*\.cloudfunctions\.net|0\.0\.0\.0:5543/predict/from_files)' --exclude-path '**/ci.yaml' --exclude-mail --github-token ${{ secrets.GITHUB_TOKEN }} './ultralytics_website/**/*.html'
+
+  Summary:
+    runs-on: ubuntu-latest
+    needs: [Links] # Add job names that you want to check for failure
+    if: always() # This ensures the job runs even if previous jobs fail
+    steps:
+      - name: Check for failure and notify
+        if: needs.Links.result == 'failure' && github.repository == 'ultralytics/docs' && (github.event_name == 'schedule' || github.event_name == 'push')
+        uses: slackapi/[email protected]
+        with:
+          payload: |
+            {"text": "<!channel> GitHub Actions error for ${{ github.workflow }} ❌\n\n\n*Repository:* https://github.com/${{ github.repository }}\n*Action:* https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}\n*Author:* ${{ github.actor }}\n*Event:* ${{ github.event_name }}\n"}
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL_WEBSITE }}