message: types: add ShareSheet component
diff: @@ -72,6 +72,7 @@ export class RadioGroup extends VanComponent {}
  export class Rate extends VanComponent {}
  export class Row extends VanComponent {}
  export class Search extends VanComponent {}
  +export class ShareSheet extends VanComponent {}
  export class Sidebar extends VanComponent {}
  export class SidebarItem extends VanComponent {}
  export class Skeleton extends VanComponent {}
  