Design an achievement screen

## Description

Create an `achievements` subcommand which displays the player's various accomplishments through out the course of the game. The layout should contain the following:

- The list of player's unlocked achievements with a selector which can be used to display the description of the selected achievement.
- Upon pressing `` on an achievement, The layout can either expand or have a pop-up to show the description of the achievement and display a unique badge (ascii art) for the selected achievement.

Start by locating the CLI entry point for the proposed `achievements` subcommand and reviewing how the game's current layout is organized. Done means the command lists unlocked achievements with a selector, shows the selected description on Enter, and displays a unique ASCII badge.

Written by the indexing model from the issue text.