added a vale action to the workflow

Author: abhatt-rh

.github/workflows/htmltest.yml

@@ -35,6 +35,8 @@ jobs:
           ls -lR public/
 
       - name: Run htmltest
+        # Don't fail the build on broken links
+        #continue-on-error: true
         uses: wjdp/htmltest-action@master
         with:
           config: .htmltest.yml

.github/workflows/vale-action.yml

@@ -0,0 +1,18 @@
+name: Lint with Vale
+on: [pull_request]
+
+jobs:
+  vale:
+    name: Vale linter
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: errata-ai/vale-action@reviewdog
+        with:
+          filter_mode: added
+          vale_flags: "--no-exit --minAlertLevel=error --glob=*.adoc"
+          reporter: github-pr-review
+          fail_on_error: false
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+          REVIEWDOG_GITHUB_API_TOKEN: ${{secrets.GITHUB_TOKEN}}