chore: add CI jobs for building tutorials

Author: charIeszhao

.github/workflows/main.yml

@@ -34,6 +34,22 @@ jobs:
           sleep 3
           node test-redirects.mjs
 
+  main-built-tutorial:
+    strategy:
+      matrix:
+        locale: [en, es, fr, ja]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node and pnpm
+        uses: silverhand-io/actions-node-pnpm-run-steps@v5
+
+      - name: Build
+        run: |
+          pnpm build:tutorials --locale ${{ matrix.locale }}
+          
   main-lint:
     runs-on: ubuntu-latest