ci: 添加GitHub Actions部署工作流并删除旧文件

添加新的部署工作流配置文件，包含pnpm安装、Node.js设置、依赖安装、构建和部署到gh-pages分支的步骤。同时删除旧的未使用的部署配置文件。

.github/workflows/deploy.yml-nouse

@@ -1,39 +0,0 @@
-name: Build and Deploy
-on:
-  push:
-    branches:
-      - main
-jobs:
-  build-and-deploy:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Install pnpm
-        uses: pnpm/action-setup@v2
-        with:
-          version: 9
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: 20
-          cache: 'pnpm'
-
-      - name: Install Dependencies
-        run: pnpm install
-
-      - name: Build
-        run: pnpm run build
-
-      - name: Deploy to page branch
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./dist
-          publish_branch: page
-          cname: ${{ secrets.CNAME }}
-          commit_message: ${{ github.event.head_commit.message }}