Initial commit of kitty
Summary: The inclusion of kitty solves T4648
Test Plan: lsed various directories with a 2x2 grid of terminals.
Reviewers: Triage Team, DataDrake
Reviewed By: Triage Team, DataDrake
Subscribers: DataDrake, Snuggle, Azphreal, sunnyflunk
Maniphest Tasks: T4648
Differential Revision: https://dev.solus-project.com/D1964