feat: add demo

packages/ui/src/index.ts

@@ -5,3 +5,5 @@ export { Modal, modalStore, BlankModal, DialogModal };
 import { createDOMElement } from './utils/dom/create-dom-element';
 
 export { createDOMElement };
+
+export * from './utils';

packages/ui/src/utils/index.ts

@@ -1,2 +1,7 @@
-export * from './query-el';
+export * from './css';
+export * from './extra';
+export * from './history';
+export * from './is-null';
+export * from './nanoid';
 export * from './store';
+export * from './query-el';