feat: allow custom properties in Setting and Selector interfaces

packages/artplayer/types/setting.d.ts

@@ -90,5 +90,8 @@ export interface Setting {
    */
   onClick?: (this: Artplayer, item: SettingOption, element: HTMLDivElement, event: Event) => void
 
-  [key: string]: unknown
+  /**
+   * Allow custom properties
+   */
+  [key: string]: any
 }