website: added logic to the pr_title_check.yaml to put error message as a comment

.github/pull_request_template.md

@@ -4,7 +4,7 @@
 **Checklist:**
 - [ ] You have [signed off your commits](https://www.kubeflow.org/docs/about/contributing/#sign-off-your-commits)
 - [ ] Ensure you follow best practices from our guide. [Contributing](https://github.com/kubeflow/website/blob/master/content/en/docs/about/contributing.md). 
-- [] You have included screenshots when changing the website style or adding a new page.
+- [ ] You have included screenshots when changing the website style or adding a new page.
 
 
 **Description of your changes:**

.github/workflows/pr_title_check.yaml

@@ -11,12 +11,23 @@ jobs:
       - name: Check PR Title Format
         env:
           PR_TITLE: ${{ github.event.pull_request.title }}
+          PR_NUMBER: ${{ github.event.pull_request.number }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           VALID_COMPONENTS="central-dashboard|katib|kserve|model-registry|notebooks|pipelines|spark-operator|trainer|gsoc|website|community"
           if [[ ! "$PR_TITLE" =~ ^($VALID_COMPONENTS):\ .+ ]]; then
             echo "❌ PR title does not follow the correct format: 'component_name: description'"
             echo "Component value must be one of these central-dashboard|katib|kserve|model-registry|notebooks|pipelines|spark-operator|trainer|gsoc|website|community"
             echo "Example: model-registry: Add model registry UI Installation instructions"
+
+            COMMENT_BODY="⚠️ **Invalid PR Title** ⚠️\n\nYour PR title \`$PR_TITLE\` does not match the required format: \`component_name: description\`.\n\n**Allowed components (case sensitive):** \`central-dashboard, katib, kserve, model-registry, notebooks, pipelines, spark-operator, trainer, gsoc, website, community\`\n\n✅ **Example:** \`model-registry: Add model registry UI Installation instructions\`\n\nPlease update your PR title accordingly by either using GITHUB GUI or by usinge \`/retitle component_name: description\` as stated above."
+
+            # Post the comment to the PR using GitHub API
+            curl -s -H "Authorization: token $GITHUB_TOKEN" \
+                 -H "Accept: application/vnd.github.v3+json" \
+                 -X POST \
+                 https://api.github.com/repos/${{ github.repository }}/issues/$PR_NUMBER/comments \
+                 -d "{\"body\": \"$COMMENT_BODY\"}"
             exit 1
           fi
           echo "✅ PR title format is correct."