## tell-me-who

### Instructions

Create a `tell-me-who.mjs` script that takes your directory path as an argument
and print the names of all the guests in the
console.

The output must print one guest per line, in ascending alphabetic order, and
formated as following: `Number. Lastname Firstname` (starting from 1).

### Notions

- [Node file system: `readdir`](https://nodejs.org/api/fs.html#fs_fspromises_readdir_path_options)
- [`Promise.all()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/all)
- [`Array.prototype.map()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map)
- [`String.prototype.split()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split)
- [`Array.prototype.join()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join)
- [`String.prototype.slice()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice)
- [`String.prototype.concat()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/concat)
- [`Array.prototype.sort()` method](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)