Devlog 1.4.0

New features :
- Emotional bubbles aboce quest NPC and merchant NPC.
- Credit page added on main title.
- New cursor.

Updates :
- All maps reworked.
- Title screen entirely reworked.
- Earth Guardian and Queen Rat sprites modified.
- Earth Guardian skills updated.
- Change de currency name.
- Several sound effect modified.
- Game icon modified.
- Normal attack animation updated.
- Game file lighten