Add GitHub action configuration

Author: benedikt

.github/workflows/test.yml

@@ -0,0 +1,30 @@
+name: Test
+
+on:
+  push:
+    branches: main
+  pull_request:
+    branches: main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [18, 20, 22]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: pnpm
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+      - name: Bootstrap packages
+        run: pnpm lerna bootstrap
+      - name: Run tests
+        run: pnpm test