Add back file.

.github/workflows/validation.yml

@@ -0,0 +1,39 @@
+name: Validation
+on: [pull_request]
+
+jobs:
+  validation:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Get changed files
+      id: changed-files
+      uses: tj-actions/changed-files@v23.1
+    - name: Install modules
+      run: yarn
+    - name: Run tests
+      id: tests
+      run: yarn test
+      env:
+        FILES: ${{ steps.changed-files.outputs.all_changed_files }}
+        actions_path: ${{ github.workspace }}
+        email_api_key: ${{ secrets.EMAIL_KEY }}
+  #  - name: Post message
+   #   if: always()
+   #   uses: mshick/add-pr-comment@v1
+   #   with:
+    #    message: | 
+     #     **Validation Results**
+    #      - Information Validation
+   #       ${{steps.tests.outputs.infoMessage}}
+    #      ${{steps.tests.outputs.infoReason}}
+   #       - DNS Record Validation
+   #       ${{steps.tests.outputs.recordMessage}}
+          
+  #      repo-token: ${{ secrets.GITHUB_TOKEN }}
+    #    proxy-url: https://github-workflow-pr.ext.talosbot.xyz
+  #      repo-token-user-login: 'github-actions[bot]' # The user.login for temporary GitHub tokens
+    #    allow-repeats: false # This is the default
+