Chore: setup github action

.github/workflows/deploy.yml

@@ -0,0 +1,31 @@
+name: Deploy
+
+on:
+  push:
+    branch: main
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout actions
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+          run_install: |
+            - recursive: true
+              args: [--frozen-lockfile]
+
+      - name: Build app
+        run: pnpm run build
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: out
+          publish_branch: gh-pages