ci: add build test

.github/workflows/ci.yml

@@ -0,0 +1,22 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  build:
+    name: Build Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up `pnpm`
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+          run_install: true
+
+      - name: Build
+        run: pnpm build