fix(workflow): 修复 GitHub Pages 部署配置

- 修复构建命令: docs:build -> build
- 添加 configure-pages@v5 动态获取 base_path
- 添加 VITEPRESS_BASE 环境变量支持
- 添加 .nojekyll 文件生成
- 添加仓库过滤防止 fork 误部署

参考 kimi-cli 项目的最佳实践

Author: LessUp

.github/workflows/pages.yml

@@ -24,6 +24,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Configure GitHub Pages
+        id: pages
+        uses: actions/configure-pages@v5
+
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
@@ -37,17 +41,20 @@ jobs:
 
       - name: Build docs
         working-directory: docs
-        run: npm run docs:build
-
-      - name: Verify output
-        run: test -f docs/.vitepress/dist/index.html
+        env:
+          VITEPRESS_BASE: ${{ steps.pages.outputs.base_path }}
+        run: |
+          npm run build
+          touch .vitepress/dist/.nojekyll
 
       - name: Upload Pages artifact
         uses: actions/upload-pages-artifact@v3
         with:
           path: docs/.vitepress/dist
 
   deploy:
+    # Only run on the original repository, not on forks
+    if: github.repository == 'LessUp/cpp-high-performance-guide'
     needs: build
     runs-on: ubuntu-latest
     environment: