feat: provide chunks store customization

[antongolub]

import {type TSpawnStore, $} from 'zurk'

const getFixedSizeArray = (size: number) => {
  const arr: any[] = []
  return new Proxy(arr, {
    get: (target: any, prop) =>
      prop === 'push' && arr.length >= size
        ? () => {}
        : target[prop]
  })
}
const store: TSpawnStore = {
  stdout: getFixedSizeArray(1),
  stderr: getFixedSizeArray(2),
  stdall: getFixedSizeArray(0)
}

const result = await $({store})`echo hello`
result.stdout // 'hello\n'
result.stdall // ''