gitea/web_src/css/editor
wxiaoguang c9e582c6b6
Refactor markdown editor and use it for milestone description editor ()
Refactor markdown editor to clarify its "preview" behavior and remove
jQuery code.

Close 

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Co-authored-by: silverwind <me@silverwind.io>
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combomarkdowneditor.css Refactor markdown editor and use it for milestone description editor ()
fileeditor.css Rework button coloring, add focus and active colors ()