Add github actions workflow

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+on:
+  push:
+    branches: [ "*" ]
+  pull_request:
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        node-version: ['latest', 'lts/iron']
+    runs-on: ubuntu/latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Install Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: yarn
+    - name: Install packages
+      run: corepack enable && yarn install --immutable
+    - name: Build with astro
+      run: yarn build