ts-type/lib/helper/array/readonly.d.ts

add some typescript type and re-export some build-in typescript type

import { ITSArrayListMaybeReadonly } from '../../type/base';
export type ITSToReadonlyArray<T extends ITSArrayListMaybeReadonly<any>> = T extends [...infer R] | readonly [...infer R] ? readonly [...R] : never;
export type ITSToWriteableArray<T extends ITSArrayListMaybeReadonly<any>> = T extends [...infer R] | readonly [...infer R] ? [...R] : never;