Add CI build

.github/workflows/build.yml

@@ -0,0 +1,20 @@
+name: Build
+
+on: workflow_dispatch
+
+defaults:
+  run:
+    working-directory: .
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js 18.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+      - run: npm run build