build example page in workflow

.github/workflows/build.yaml

@@ -0,0 +1,26 @@
+name: Build project with Hugo
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./exampleSite
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true # Fetch Hugo themes (true OR recursive)
+          fetch-depth: 0 # Fetch all history for .GitInfo and .Lastmod
+
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v3
+        with:
+          hugo-version: "latest"
+          extended: true
+
+      - name: Build
+        run: |
+          hugo