release: 🔖 release v3.1.0

see release notes in README

ops(version): 👷 release v2.1.0(5)

Whats new:
- New feature: game over balloon animation
- Fonts: added some custom fonts
- Bug fix: fix number of pairs of cards shown

ops(version): 👷 release v2.0.0(1)

The App now requires iOS >=15

ops(Build): 👷 release v1.2.0(5) for AppStore

ci(fastlane): 👷 update fastlane

ops(Build): 👷 create v1.1.0(1) for AppStore

ops(Build): 👷 create v1.0.0(1) for AppStore Review