fix: vue fix for v-model

Author: farfromrefug

src/checkbox/vue/index.ts

@@ -4,7 +4,12 @@ export default {
     install(Vue) {
         if (!installed) {
             installed = true;
-            Vue.registerElement('CheckBox', () => CheckBox, {});
+            Vue.registerElement('CheckBox', () => CheckBox, {
+                model: {
+                    prop: 'checked',
+                    event: 'checkedChange'
+                }
+            });
         }
     }
 };