message: Fix ModalMountTarget export
diff: @@ -6,6 +6,7 @@ import { ModalAuto, ModalAutoProps } from './ModalAuto'
  import defaultStore, { ModalStore, ModalStoreAppendProps } from './ModalStore'
  export { ModalStore } from './ModalStore'
  +export { ModalMountTarget } from './ModalMountTarget'
  export interface ModalConfig extends Omit<ModalAutoProps, 'dispose'> {
  store?: ModalStore
  