Add a default IP address in config to easily change running IP of all servers
Servers architecture improvement to support complex servers
Update .gitignore
Remove unwanted files added in previous commit
Game demo: add randomly added objects (no interaction yet)
Game demo: add health bar and enable attacking other characters (unfinished and not linked with weapon system yet)
Game demo: improve architecture in a more OOP fashion
Game demo: improve how characters state are syncronized
Game demo: enable npcs to drop objects on death and tiny code optimisation
Game demo: fix character and camera mouvement bugs and add damage text when hit
Game demo: small fixes
rpg demo: partially add an inventory system