Fixed several bugs (#200)

* fix: Fixed a bug of closing local notebook

* fix: Fixed Chinese link url

* refactor: Better debounce logic

* fix: Fixed deleteNoteDialog memory leak

* feat: Better reference jump in editor mode

* doc: Updated the README.md

Merge pull request #131 from 0xGG/feat/wikilink

feat: Supported wiki link

Merge pull request #33 from 0xGG/fix/search-notes

fix: Fixed searching notes