* WIP refactor of d2map stuff
* more d2map refactor
adding realm init to game client
passing map engine from client and server into realm at init
change `generate map packet` to have act and level index as data
* client explodes, but getting there
* realm now initializes, networking works, but map generators dont currently do anything
* changed the way that level type records are loaded
* fixed funcs for level data lookups
* started implementing level generator, currently crashing
* client no longer exploding
* d2networking refactor
put exports into d2client.go and d2server.go
kept GameClient and GameServer methods into their respective files
made methods for packet handlers instead of the giant switch statements
* bugfix: getting first level id by act
* minor refactor of gamescreen for readability
* towns now generate on server start, create player takes act and level id as args, levels have their own map engine
* camera offset for ui panels :
added maprenderer viewport to be aligned left or right
calling alignement on keyPress in game_controls
* check if already aligned
* fix bugs
-forgot to assign alignement
-defaultScreenRect instead of screenRect because of issue mentionned in original comment
* remove config.json and replace go.mod line
* removing duplicate import of d2common
replacing all dh to d2common
* remove useless breaks from switch statement
* better range when value unused + prettying import
* item_affix rewrite
using return values instead of pointer references in arguments
* ebiten deprecated calls
* small fixes
