v0.4.0

功能和优化

• 新增知识库大板块（含笔记和文档；文档有多版本功能而笔记没有）
• 前台部分页面增加缓存

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Feature and Enhancement

• Added knowledge base section (including notes and documents; documents have multi-version functions but notes do not)
• Increase cache for some pages in the foreground