Custom listcases command that is an embed and looks clean

[ :heavy_check_mark:] I have read and understand the Cogboard Bounty rules

Bounty Request Format:

Discord Username: blizzthewolf

Payment Information: None

Description of Cog: Changes the ;listcases command to an embed and have it look cleaner.

V2 or V3: V3

API’s or other information: X

Other info (Bounty, issues, ETC): X