Added `valueTrue` and `valueFalse` to trait checkbox type. Closes #1424 This feature allows you to customize the boolean attribute on components Example ```js traits: [{   type: 'checkbox',   label: 'Show Name',   name: 'show-name',   valueTrue: 'TRUE-value',   valueFalse: 'FALSE-value',   // For default values you have to specify same true/false values   // You can add `value` in trait or on your components   value: 'FALSE-value', }] ```
Added `valueTrue` and `valueFalse` to trait checkbox type. Closes #1424
This feature allows you to customize the boolean attribute on components
Example
```js
traits: [{
  type: 'checkbox',
  label: 'Show Name',
  name: 'show-name',
  valueTrue: 'TRUE-value',
  valueFalse: 'FALSE-value',
  // For default values you have to specify same true/false values
  // You can add `value` in trait or on your components
  value: 'FALSE-value',
}]
```

artf/grapesjs,QuorumDMS/grapesjs,QuorumDMS/grapesjs,artf/grapesjs,artf/grapesjs