Simple function to use [FileReader API](https://developer.mozilla.org/en-US/docs/Web/API/FileReader) as async.
npm install @charliewilco/async-file-readerSimple function to use FileReader API as async.
``sh`
yarn add @charliewilco/async-file-reader
Usage:
`ts
import asyncFileReader from "@charliewilco/async-file-reader"
const contents: string | ArrayBuffer = await asyncFileReader(file)
``