feat(gen): test commenting PR with 404s

Author: SamyOubouaziz

.github/workflows/markdown-link-checker.yml

@@ -6,11 +6,18 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@master
-    - uses: gaurav-nelson/github-action-markdown-link-check@v1
+    - name: Checkout
+      uses: actions/checkout@master
+      
+    - name: Check for 404s in modified files
+      id: check_404_in_modified_files
+      uses: gaurav-nelson/github-action-markdown-link-check@v1
       with:
         base-branch: 'main'
         use-quiet-mode: 'yes'
         check-modified-files-only: 'yes'
         file-extension: '.mdx'
-        config-file: '.link_checker_config.json'
+        config-file: '.link_checker_config.json'
+
+    - name: Write output to txt file
+      run: echo "{{ steps.check_404_in_modified_files.outputs.*}}"