refactor: move src to legacy and create re-export index for compatibility

Author: zombieJ

src/index.ts

@@ -1,7 +1,7 @@
-import useNotification from './hooks/useNotification';
-import Notice from './Notice';
-import type { NotificationAPI, NotificationConfig } from './hooks/useNotification';
-import NotificationProvider from './NotificationProvider';
+import useNotification from './legacy/hooks/useNotification';
+import Notice from './legacy/Notice';
+import type { NotificationAPI, NotificationConfig } from './legacy/hooks/useNotification';
+import NotificationProvider from './legacy/NotificationProvider';
 
 export { useNotification, Notice, NotificationProvider };
 export type { NotificationAPI, NotificationConfig };

src/Notice.tsx src/legacy/Notice.tsxsrc/Notice.tsx renamed to src/legacy/Notice.tsx

@@ -1,8 +1,7 @@
 import React, { ReactElement } from 'react';
 import { render, fireEvent, act } from '@testing-library/react';
-import { useNotification } from '../src';
+import { useNotification, NotificationProvider } from '../src';
 import type { NotificationAPI, NotificationConfig } from '../src';
-import NotificationProvider from '../src/NotificationProvider';
 
 require('../assets/index.less');