refactor: Rename MiraiCheckBoxWidget to MiraiCheckBox & Add docs

packages/mirai/lib/src/framework/mirai.dart

@@ -61,7 +61,7 @@ class Mirai {
     const MiraiAlertDialogParser(),
     const MiraiTabParser(),
     const MiraiFormParser(),
-    const MiraiCheckBoxWidgetParser(),
+    const MiraiCheckBoxParser(),
     const MiraiExpandedParser(),
     const MiraiFlexibleParser(),
     const MiraiSpacerParser(),

packages/mirai/lib/src/parsers/mirai_check_box/mirai_check_box.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:mirai/src/parsers/mirai_material_color/mirai_material_color.dart';
+import 'package:mirai/src/parsers/mirai_mouse_cursor/mirai_mouse_cursor.dart';
+
+export 'package:mirai/src/parsers/mirai_check_box/mirai_check_box_parser.dart';
+
+part 'mirai_check_box.freezed.dart';
+part 'mirai_check_box.g.dart';
+
+@freezed
+class MiraiCheckBox with _$MiraiCheckBox {
+  const factory MiraiCheckBox({
+    String? id,
+    bool? value,
+    @Default(false) bool tristate,
+    Map<String, dynamic>? onChanged,
+    MiraiMouseCursor? mouseCursor,
+    String? activeColor,
+    MiraiMaterialColor? fillColor,
+    String? checkColor,
+    String? focusColor,
+    String? hoverColor,
+    MiraiMaterialColor? overlayColor,
+    double? splashRadius,
+    MaterialTapTargetSize? materialTapTargetSize,
+    @Default(false) bool autofocus,
+    @Default(false) bool isError,
+  }) = _MiraiCheckBox;
+
+  factory MiraiCheckBox.fromJson(Map<String, dynamic> json) =>
+      _$MiraiCheckBoxFromJson(json);
+}