fix: change provider export path

src/index.ts

@@ -1,4 +1,4 @@
-export { default as AmityUiKitProvider } from '~/v4/core/providers/AmityUIKitProvider';
+export { default as AmityUiKitProvider } from '~/core/providers/UiKitProvider';
 export { default as AmityUiKitFeed } from '~/social/components/Feed';
 export { default as AmityUiKitSocial } from '~/social/pages/Application';
 export { default as AmityUiKitChat } from '~/chat/pages/Application';