update typings

types/checkbox-button.d.ts

@@ -0,0 +1,22 @@
+import { ElementUIComponent } from './component'
+
+/** Checkbox Button Component */
+export declare class ElCheckboxButton extends ElementUIComponent {
+  /** Value of the checkbox when used inside a checkbox-group */
+  label: string | number | boolean
+
+  /** Value of the checkbox if it's checked */
+  trueLabel: string | number
+
+  /** Value of the checkbox if it's not checked */
+  falseLabel: string | number
+
+  /** Native 'name' attribute */
+  name: string
+
+  /** If the checkbox is disabled */
+  disabled: boolean
+
+  /** If the checkbox is checked */
+  checked: boolean
+}