refactor: reorganize all components (#8303)

src/share-sheet/index.ts

@@ -0,0 +1,8 @@
+import { installable } from '../utils';
+import _ShareSheet from './ShareSheet';
+
+const ShareSheet = installable(_ShareSheet);
+
+export default ShareSheet;
+export { ShareSheet };
+export type { ShareSheetOption, ShareSheetOptions } from './ShareSheet';