Added game time limit, property game_ended of overcooked_environment returns true when time limit is reached. GUI switches to game end screen when it is finished.

Read grid size from viz config. Or change flag to use fixed window width, with grid size beeing rescaled

Changed world coordinate frame to unit length * number of counters in the layout. World size is determined by kitchen layout

Fixed determining closest counter and if the player can reach it. Added flags in gui to show ranges and interaction points

staticmethod

Stack plates in sink.

plate dispenser without manager. plates disappear for a time and then appear on the plate dispenser. You can now add stuff on the plates on the dispenser.

New lock for gui and environment.

Added game mechanic washing dishes. Served plates return in the plate return, can be washed in sink. TODO can wash multiple plates in the sink by holding interact button

add also simple burger assets and pan.