TCX / A321 - Thomas Cook (Sunny Heart)

Topic Title: ICAO Aircraft Code - Livery Name
A321 - Thomas Cook Sunny Heart

:artist_palette: Livery Details
Standard livery for Thomas Cook Airlines.

:link: Optional: Image or Link to Reference

:pushpin: Why should this livery be added?
We currently have the A330 in game, but no other Thomas Cook aircraft. These were regular visitors at INN during the Winter and a common sight across many European airports, especially popular holiday and ski destinations.