ci: add build workflow

.github/workflows/build.yml

@@ -0,0 +1,33 @@
+name: Build
+
+on:
+  push:
+    branches-ignore:
+      - main
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: pnpm/action-setup@v3
+        name: Install pnpm
+        with:
+          version: 8
+
+      - uses: actions/setup-node@v4
+        name: Install Node.js
+        with:
+          node-version: 20
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Lint our source code
+        run: pnpm lint
+
+      - name: Build
+        run: pnpm build