chore: export directly

Author: zombieJ

src/index.tsx

@@ -1,3 +1,6 @@
 import Tooltip from './Tooltip';
+import Popup from './Popup';
+
+export { Popup };
 
 export default Tooltip;

tests/popup.test.js

@@ -0,0 +1,8 @@
+import { Popup } from '../src';
+
+describe('Popup', () => {
+  // Used in antd for C2D2C
+  it('should export', () => {
+    expect(Popup).toBeTruthy();
+  });
+});