feat: initialize Knowledge vault with PARA + Zettelkasten system

- PARA folder structure (Inbox, Projects, Areas, Resources, Archive)
- Zettelkasten folder for atomic permanent notes
- Daily Notes folder with template
- 6 note templates (Inbox, Daily, Zettelkasten, Project, Resource, MOC)
- System folder for Attachments and Templates
- Home dashboard with Dataview query
- CLAUDE.md with knowledge-vault skill integration
- README with complete usage guide

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2 - Projects/README.md

@@ -0,0 +1,9 @@
+# Projects
+
+有明确目标和截止日期的项目。
+
+## 使用原则
+
+- 每个项目一个文件夹或一个 MOC（Map of Content）笔记
+- 项目完成后移到 `5 - Archive`
+- 问自己："这件事有明确的完成标准吗？" — 有的话就是 Project