Refactor code

lib/src/widgets/editor.dart

@@ -21,12 +21,12 @@ import 'cursor.dart';
 import 'default_styles.dart';
 import 'delegate.dart';
 import 'float_cursor.dart';
-import 'image.dart';
+import 'embeds/image.dart';
 import 'link.dart';
 import 'raw_editor.dart';
 import 'text_selection.dart';
-import 'video_app.dart';
-import 'youtube_video_app.dart';
+import 'embeds/video_app.dart';
+import 'embeds/youtube_video_app.dart';
 
 const linkPrefixes = [
   'mailto:', // email

lib/src/widgets/embeds/video_app.dart

@@ -5,7 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:video_player/video_player.dart';
 
-import '../../flutter_quill.dart';
+import '../../../flutter_quill.dart';
 
 /// Widget for playing back video
 /// Refer to https://github.com/flutter/plugins/tree/master/packages/video_player/video_player

lib/src/widgets/embeds/youtube_video_app.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:youtube_player_flutter/youtube_player_flutter.dart';
 
-import '../../flutter_quill.dart';
+import '../../../flutter_quill.dart';
 
 class YoutubeVideoApp extends StatefulWidget {
   const YoutubeVideoApp(

lib/widgets/image.dart

@@ -1,3 +1,3 @@
 /// TODO: Remove this file in the next breaking release, because implementation
 /// files should be located in the src folder, https://bit.ly/3fA23Yz.
-export '../src/widgets/image.dart';
+export '../src/widgets/embeds/image.dart';