refactor: split storybook (#2706)

packages/component/src/ui/button/button.tsx

@@ -4,6 +4,9 @@ import type { ButtonProps } from './interface';
 import { Loading } from './loading';
 import { StyledButton } from './styles';
 import { getSize } from './utils';
+
+export type { ButtonProps };
+
 export const Button = forwardRef<HTMLButtonElement, ButtonProps>(
   (
     {

packages/component/src/ui/button/index.ts

@@ -1,4 +1,5 @@
 export * from './button';
+export * from './dropdown';
 export * from './icon-button';
 export * from './radio';
 export * from './text-button';