Added Lettuce and lettuce dispenser, idea for reading in item combinations (not finished and very early stage)

Moved item und counter visualization composition to yaml file. For now directly read in from yaml dict.

Resolve "Pot and stove and cooking tomato soup"

Closes #38

See merge request scs/cocosy/overcooked-simulator!10

new cooking equipment class for pot, pan and frier. Should now work. Next steps: based on recipes and not only hard coded tomato

Merge remote-tracking branch 'origin/38-pot-and-stove-and-cooking-tomato-soup' into 38-pot-and-stove-and-cooking-tomato-soup

# Conflicts:
#	overcooked_simulator/pygame_gui/pygame_gui.py

Resolve "Can put tomatos on returned plate"

Closes #34

See merge request scs/cocosy/overcooked-simulator!8

Merge remote-tracking branch 'origin/34-can-put-tomatos-on-returned-plate' into 34-can-put-tomatos-on-returned-plate

# Conflicts:
#	overcooked_simulator/pygame_gui/pygame_gui.py

Merge remote-tracking branch 'origin/34-can-put-tomatos-on-returned-plate' into 34-can-put-tomatos-on-returned-plate

# Conflicts:
#	overcooked_simulator/counters.py

changed pick_up method to return the item in the players hand. Plates are now stackable on the PlateReturn. occupied by is now a list in the plate return

Added GameScore class to keep track of game score. Currently just by serving things in the serving window

Resolve "Can push other players around"

Closes #35

See merge request scs/cocosy/overcooked-simulator!9

# Conflicts:
#   overcooked_simulator/overcooked_environment.py

Resolve "Fix warnings and code style resulting from #25"

Closes #33

See merge request scs/cocosy/overcooked-simulator!7

# Conflicts:
#	overcooked_simulator/main.py
#	overcooked_simulator/pygame_gui/pygame_gui.py

Cleaning up the gui

Resolve "ROOT for easy file loading"

Closes #24

See merge request scs/cocosy/overcooked-simulator!4

# Conflicts:
#   overcooked_simulator/main.py