Add HTML proofer action

.github/workflows/pull-request.yml

@@ -90,3 +90,35 @@ jobs:
     - uses: actions/[email protected]
     # run markdown linter
     - uses: gaurav-nelson/[email protected]
+
+  proof-html:
+    runs-on: ubuntu-latest
+    steps:
+      # checkout to the commit that has been pushed
+      - uses: actions/[email protected]
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+
+      - name: Install node modules
+        run: npm install
+
+      - name: Setup Hugo
+        uses: peaceiris/[email protected]
+        with:
+          hugo-version: 'latest'
+          extended: true
+
+      - name: Build
+        run: |
+          cd exampleSite
+          hugo --minify
+
+      # Run HTML Proofer
+      - uses: anishathalye/[email protected]
+        with:
+          directory: exampleSite/public
+          enforce_https: false
+          ignore_url: "#"