New features to enhance gameplay

Add and corrections:

- Addition of a map with information about important items and locations.
- Introduction of an inventory system to provide information about collected items.
- implementation of objectives that must be completed to progress in the game.
- Randomization of key items to add variety and challenge.
- Introduction of difficulty levels including easy, medium, and hard.
- Expansion of interactions with various objects to display descriptive texts.
- Inclusion of Steam achievements for players to unlock.
- Rebalancing of the difficulty of the pursuer to enhance player experience.
- Revision of texts to ensure clarity and consistency.
- Correction of minor bugs.