Add tldraw file editor (#7273)

* add tldr file type

* add tldraw editor render

* optimize code

* add save mode

* update version

* update dependence

* update dependence

* optimize code

* optimize code

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Co-authored-by: 杨顺强 <978987373@qq.com>

frontend/config/webpack.entry.js

@@ -1,6 +1,7 @@
 const paths = require('./paths');
 
 const entryFiles = {
+  tldrawEditor: '/tldrawEditor.js',
   markdownEditor: '/index.js',
   plainMarkdownEditor: '/pages/plain-markdown-editor/index.js',
   TCAccept: '/tc-accept.js',