A bigger update with fun mechanics

- Fixed the monster encounter rate that was way too random.

- Added a warehouse system in the tavern, to store items if needed, for a small fee.

- Improved the tavern in many ways. It now has different sections :

    - Drinks and rumors.

    - Hiring mercenaries, to whom you can talk to and read their lore before making a decision.

    - Tavern games such as coin flip and dice roll.

    - Warehouse

- Added fishing, you can now fish from any water tile.

- Added three types of fish, uses to be added later.

- Added an item weight system. Items have different weights. Each character has a different max weight they can carry.

- Added new enemies.

- Enemies now have a chance to also drop items as loot.

- A few other bugfixes.