refactor: renamed EditorToolBar

lib/src/models/editor_state.dart

@@ -0,0 +1,15 @@
+import 'package:rich_editor/src/models/enum.dart';
+
+import 'command_state.dart';
+
+class EditorState {
+  bool didHtmlChange;
+  String html;
+  Map<CommandName, CommandState> commandStates;
+
+  EditorState({
+    this.didHtmlChange = false,
+    this.html = '',
+    this.commandStates = const <CommandName, CommandState>{},
+  });
+}