Add privacy policy modal and enhance project details

- Introduce PolicyModal component for license and privacy policy display
- Add Quick Start section to project detail pages
- Update project descriptions, features, and URLs for several projects
- Add new logos, screenshots, and favicon
- Extend types and configuration for new features

src/data/i18n/zh.yaml

@@ -33,6 +33,7 @@ projects.sort.name: '名称排序'
 projects.noResults: '没有匹配的项目'
 projects.search: '搜索项目名称、描述或标签...'
 detail.overview: '概览'
+detail.quickStart: '快速开始'
 detail.features: '核心功能'
 detail.screenshots: '截图预览'
 detail.downloads: '下载安装'