chore: export snackbar interface (#498)

Author: AlanFnz

src/components/experimental/index.ts

@@ -11,7 +11,7 @@ export { Label } from './Label/Label';
 export { ListBox, ListBoxItem } from './ListBox/ListBox';
 export { Popover } from './Popover/Popover';
 export { Select } from './Select/Select';
-export { Snackbar } from './Snackbar/Snackbar';
+export { Snackbar, SnackbarProps } from './Snackbar/Snackbar';
 export { Table, Row, Cell, Skeleton, Column, TableBody, TableHeader } from './Table/Table';
 export { Text } from './Text/Text';
 export { TextField } from './TextField/TextField';