feat(vault): track PARA layer (Categories/References/Notes/Daily/Clippings/Tags/Attachments/Presentations)

- Add 8 PARA directories to .gitignore whitelist (234 files)
- Completes dual-layer sync: LLM Wiki layer + PARA personal knowledge layer
- markdown_output/ remains excluded (transit zone)

References/格局.md

@@ -0,0 +1,17 @@
+---
+categories:
+  - "[[Books]]"
+author:
+  - "王志纲"
+cover:
+isbn: "9787111756057"
+scoreGr: 7.6
+rating_people: 313
+pages: 308
+year: 2024
+publisher:
+  - "机械工业出版社"
+created: 2026-04-13
+tags:
+  - "books"
+---