Feature

This PR enhance the game source code by splitting the main.py script into other scrips depending on the handling type.

Summary

This PR adds:

• • data_handling.py script, for handling data loading on game loop start
• • npc_handling.py script, for handling npc actions
• • zone_handling.py script, for handling hostels, stables etc. action
• • text_handling.py script, for handling basic functions used over many classes
• • weapon_upgrade_handling.py script, for handling basic functions used to upgrade work
• • Fix small long term goal 'Make buying multiple metals at once possible in forges' from this wiki page

Performance Impact

N/A