ci: add build

.github/workflows/ci.yaml

@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+
+permissions:
+  id-token: write
+  contents: write
+
+jobs:
+  cache-and-install:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v3
+        with:
+          version: 9
+
+      - name: Install Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build apps and packages
+        run: pnpm build
+
+      - name: Deploy to GitHub Pages
+        uses: JamesIves/github-pages-deploy-action@v4.5.0
+        with:
+          branch: gh-pages
+          folder: dist