import { append } from "https://deno.land/x/fae@v1.1.1/append.ts";
Add the el
to the end of list
and returns new list without affecting original
Fae.append('tests', ['write', 'more']); //=> ['write', 'more', 'tests']
Fae.append('tests', []); //=> ['tests']
Fae.append(['tests'], ['write', 'more']); //=> ['write', 'more', ['tests']]