ci: add build workflow

.github/workflows/build.yml

@@ -0,0 +1,25 @@
+name: build
+
+on:
+    push:
+        branches:
+            - main
+        tags:
+            - 'v*'
+    workflow_dispatch:
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - uses: actions/setup-node@v4
+              with:
+                  node-version: 18
+            - run: |
+                  npm install -g pnpm
+                  pnpm install
+
+            - name: Build
+              run: pnpm build
+            - run: ls ./dist -al