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>

0 - Daily Notes/README.md

@@ -0,0 +1,9 @@
+# Daily Notes
+
+每日笔记存放在此文件夹。
+
+## 使用方式
+
+- 每天打开 Obsidian 时，通过 Calendar 插件或快捷键自动创建当天日记
+- 文件名格式：`YYYY-MM-DD`（由 Obsidian 自动生成）
+- 使用 `System/Templates/Daily Note` 模板