* feat: open external link and local markdown file
* image view
* browse image by CmdOrCtrl + click
* use esc to close image viewer
* change image viewer z-index to prevent math render show on top of it
* support windows and linux
* opti: prevent the duplicated header text error
* scroll error in toc
* delay the change event when init muya, so that the change event listener can handle change event.
* opti: style
* almost finished need last check
* style in table
* clear up some unused codes
* clear up theme hard code
* add no search data picture and new Folder new File
* move search and replace to top of editor
* add: no data image when there is no TOC
* update structure
* little bug fix
* update styles
* update un_draw icons
* update style of editor
* add animation when make open folder collapse.
* remove theme props in editor component, deprecated lightColor and darkColor
* add Ulysses Light
* theme: graphite
* update Ulysses blockquote
* update emoji style
* update titleBar height
* change theme color
* Support macOs dark mode
* update style of tooltip in editor
* update styles
* fix: TOC auto expand all
* patch added
* feature: Add experiment RTL support
* fix: binding to currentfile textdirection
* feature: add sourcecode RTL support
* feature: add text direction menu upgrade
* fix sourceCode does't change from menu switch text direction
* rewrite notice module
* optimization: show some notification when export html or pdf
* optimization: style of open project button
* little bug fix
* style: uniform titlebar hight to remove some style error
* side-bar-view
* list files view
* update the structure of store, add modules
* open project and change select files
* add tabs view
* listen for file/dir changing, and update in sidebar
* delete some unused code
* context menu in sidebar
* add tool bar and tab bar menu item
* save all and save all and close
* copy, cut, paste, new file, new directory, move to trash, open in folder
* rename in sidebar
* Prepare line ending feature
* Detect document line ending
* Line ending conversion
* Add "endOfLine" settings option
* Add line ending menu
* Notify user about mixed endings
* Fixes
* Change line ending menu entries to radio style
