add ci for frontend

.github/workflows/ci-frontend.yml

@@ -0,0 +1,23 @@
+name: pnpm Example Workflow
+on:
+  push:
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        node-version: [15]
+    steps:
+    - uses: actions/checkout@v3
+    - uses: pnpm/action-setup@v3
+      with:
+        version: 8
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'pnpm'
+    - name: Install dependencies
+      run: pnpm install --frozen-lockfile
+    - name: Run test
+      run: pnpm test