convert a utf8 string to a Uint8Array
Convert a utf8 string to a Uint8Array.
`` js`
var tou8 = require('utf8-to-uint8array')
var str = '💩'
console.log(tou8(str))
``
var tou8 = require('utf8-to-uint8array')
Return a new Uint8Array u8 from a string str`.
BSD