Add broken link check step to workflow

Signed-off-by: Varad Gupta <114755221+vr-varad@users.noreply.github.com>

Author: vr-varad

.github/workflows/build-and-preview-site.yml

@@ -21,6 +21,11 @@ jobs:
           npm run version
           npm run noIndex
 
+      - name: Broken Link Check 🔗
+        uses: technote-space/broken-link-checker-action@v2
+        with:
+          target: ./public/**/*.html  
+
       - name: Zip Site
         run: bash ./script.sh