Refactor code to allow fearless implementation of new things

[mishimalisa]

The terminal text-based still going to work the same way as before!

Refactoring allows

1. Export for the web easily.
2. Graphical.
3. Fearless implementation of new things.
4. Better testing.

Tasks

• [x] Refactor the game logic to a new file
• [x] Make the terminal text-based also works
• [x] Unit test game logic
  • [x] items, pool, character
  • [x] rooms
  • [x] gameplay
  • [x] utils
• [x] Integrate raylib
• [x] Update readme

To switch branches

btw you can easily switch the branch by clicking on the left bottom corner (on vscode):

click on main to change to graphical: (in case you want to contribute/review)

also (github page):

[mishimalisa]

we have somenthing