feat(Battle Cats Rolls): add activity

[theusaf]

Description

Adds activity for battle cats rolls

• slideshow showing a user's upcoming rolls
• slideshow showing stats for a cat
• buttons

Acknowledgements

• [x] I read the Activity Guidelines
• [x] I linted the code by running npm run lint
• [x] The PR title follows the repo's commit conventions

Screenshots

Proof showing the creation/modification is working as expected