ci: added gh-pages script

.github/workflows/deploy.yml

@@ -0,0 +1,44 @@
+name: Deploy Production
+
+on:
+  push:
+    branches:
+      - "main"
+
+jobs:
+  build:
+    runs-on: ubuntu-20.04
+
+    name: Build and Deploy to GitHub Pages
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "pnpm"
+
+      - name: Get pnpm store directory
+        id: pnpm-cache
+        run: |
+          echo "pnpm_cache_dir=$(pnpm store path)" >> $GITHUB_ENV
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build the project
+        run: pnpm build --preset github_pages
+
+      - name: Generate the static site
+        run: pnpm generate
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: .output/public