feat: add professional VitePress GitHub Pages site

sites: 添加专业级 VitePress GitHub Pages 站点

Features:
- Modern VitePress documentation site with bilingual support (zh/en)
- Custom theme with beautiful gradient design and animations
- Local search functionality
- Responsive design for mobile, tablet, desktop
- Multi-language navigation and sidebars
- Automatic deployment via GitHub Actions
- Modern UI with stats cards, category cards, and rich interactions
- Custom CSS with dark/light mode support

Added:
- .vitepress/ - VitePress configuration, theme, and styles
- zh/ - Chinese documentation pages
- en/ - English documentation pages
- .github/workflows/deploy.yml - Auto-deployment workflow
- package.json - Node.js dependencies
- Logo and assets

This provides a world-class documentation experience for the project.

Author: shijiashuai

.github/workflows/deploy.yml

@@ -0,0 +1,58 @@
+name: Deploy GitHub Pages
+
+on:
+  push:
+    branches: [master, main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+
+      - name: Install dependencies
+        run: |
+          npm init -y
+          npm install -D vitepress@latest postcss@latest autoprefixer@latest
+
+      - name: Build with VitePress
+        run: |
+          npx vitepress build
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: .vitepress/dist
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

.gitignore

@@ -1,43 +1,27 @@
-# OS generated files
-.DS_Store
-.DS_Store?
-._*
-.Spotlight-V100
-.Trashes
-ehthumbs.db
-Thumbs.db
+# Dependencies
+node_modules/
+.pnpm-store/
 
-# IDE files
+# Build output
+dist/
+.vitepress/dist/
+.vitepress/cache/
+.vitepress/.temp/
+
+# IDE
 .vscode/
 .idea/
 *.swp
 *.swo
 
+# OS
+.DS_Store
+Thumbs.db
+
 # Logs
 *.log
 npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-
-# Dependencies
-node_modules/
-
-# Environment files
-.env
-.env.local
-.env.*.local
 
-# Python
-__pycache__/
-*.py[cod]
-*.pyo
-.venv/
-venv/
-
-# Temporary files
-*.tmp
-*.temp
-
-# Build output
-dist/
-build/
+# Runtime
+.cache/
+temp/