feat: Create gamified app concept

[lucas-goldner]

The calendar page should be replaced with a dedicated screen for a small minigame that would be used instead to track progress and drive user engagement.

• [x] Restore the island, explaining it in story
• [x] After each session, the user should receive bananas, find quests
• [x] Quest system
• [x] Daily Login extra bananas
• [x] Island with monkey, where monkey walks around
• [x] Monkeys will have levels that are customizable Later (upgradable, nameable)
• [x] Island should be upgradeable with buildings
• [x] Send the monkey on an adventure into the jungle, tell funny stories about them - [ ] Should bring back either free bananas
• [x] Shop to buy buildings - [ ] Gym for extra challenges for more bananas - [ ] One shop to buy accessories for monkey - [ ] Airport to visit friends islands - [ ] Place to adopt new monkeys - [ ] Collection book of different monkey types - [ ] Friends system with friend islands to visit
• [x] Community goals get 1000000 bananas together

[lucas-goldner]

For demo most of the features won't be relevant anyway ;)