refactor: reorganize all components (#8303)

src/popup/index.ts

@@ -0,0 +1,8 @@
+import { installable } from '../utils';
+import _Popup from './Popup';
+
+const Popup = installable(_Popup);
+
+export default Popup;
+export { Popup };
+export type { PopupPosition, PopupCloseIconPosition } from './Popup';