ci: added build check

.github/workflows/build-check.yml

@@ -0,0 +1,30 @@
+name: Build check
+on:
+  push:
+    branches:
+      - '*'
+      - '*/*'
+      - '**'
+      - '!main'
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+          run_install: false
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22.x'
+          cache: 'pnpm'
+      - name: Install dependencies
+        run: pnpm install
+      - name: Build extension
+        run: pnpm run build