message: types: fix missing overlay component
diff: @@ -50,6 +50,7 @@ export class Loading extends VanComponent {}
  export class NavBar extends VanComponent {}
  export class NoticeBar extends VanComponent {}
  export class NumberKeyboard extends VanComponent {}
  +export class Overlay extends VanComponent {}
  export class Pagination extends VanComponent {}
  export class Panel extends VanComponent {}
  export class PasswordInput extends VanComponent {}
  