## tell-me-who

### Instructions

Create a `tell-me-who.mjs` script that takes your folder path as an argument
and print the names of the guests that answered to your invitation 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)
- [`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)