simple uk postcode validation and formatting
npm install dh-postcode[![version][version]](http://npm.im/dh-postcode)
[![MIT License][MIT License]](http://opensource.org/licenses/MIT)
[![Standard][Standard]](http://standardjs.com)
[![Standard Version][Standard Version]](https://github.com/conventional-changelog/standard-version)
[![Size][Size]](https://unpkg.com/dh-postcode)
``js
import Postcode from 'dh-postcode'
const postcode = Postcode('e C 1a1 Ah ')
postcode.valid() // => true
postcode.format() // => 'EC1A 1AH'
``
[version]: https://img.shields.io/npm/v/dh-postcode.svg
[MIT License]: https://img.shields.io/npm/l/dh-postcode.svg
[Standard]: https://img.shields.io/badge/code%20style-standard-brightgreen.svg
[Standard Version]: https://img.shields.io/badge/release-standard%20version-brightgreen.svg
[Size]: https://badges.herokuapp.com/size/npm/dh-postcode?gzip=true&label=gzipped