Rename overcooked_gui.py to gui.py

Renamed `overcooked_gui.py` to `gui.py` in multiple files across the project including README.md, study_server.py, __main__.py, and __init__.py. This modification will ensure consistency in referencing the graphic interface script.

README.md

@@ -37,13 +37,13 @@ You can also start the **Game Server** and the **PyGame GUI** individually in di
 ```bash
 python3 cooperative_cuisine/game_server.py --url "localhost" --port 8000 --manager_ids SECRETKEY1 SECRETKEY2
 
-python3 cooperative_cuisine/pygame_2d_vis/overcooked_gui.py --url "localhost" --port 8000 --manager_ids SECRETKEY1
+python3 cooperative_cuisine/pygame_2d_vis/gui.py --url "localhost" --port 8000 --manager_ids SECRETKEY1
 ```
 
 You can start also several GUIs.
 
 ```bash
-python3 cooperative_cuisine/pygame_2d_vis/overcooked_gui.py --url "localhost" --port 8000 --manager_ids SECRETKEY2
+python3 cooperative_cuisine/pygame_2d_vis/gui.py --url "localhost" --port 8000 --manager_ids SECRETKEY2
 ```
 
 You can replace the GUI with your own GUI (+ study server/matchmaking server).

cooperative_cuisine/__init__.py

@@ -51,7 +51,7 @@ You can also start the **Game Server** and the **PyGame GUI** individually in di
 ```bash
 python3 cooperative_cuisine/game_server.py --url "localhost" --port 8000 --manager_ids SECRETKEY1 SECRETKEY2
 
-python3 cooperative_cuisine/pygame_2d_vis/overcooked_gui.py --url "localhost" --port 8000 --manager_ids SECRETKEY1
+python3 cooperative_cuisine/pygame_2d_vis/gui.py --url "localhost" --port 8000 --manager_ids SECRETKEY1
 ```
 
 ## Connect with agent and receive game state

cooperative_cuisine/__main__.py

@@ -30,7 +30,7 @@ def start_study_server(cli_args):
 
 
 def start_pygame_gui(cli_args):
-    from cooperative_cuisine.pygame_2d_vis.overcooked_gui import main
+    from cooperative_cuisine.pygame_2d_vis.gui import main
 
     main(
         cli_args.study_url,

cooperative_cuisine/study_server.py

 """
 # Usage
-- Set `CONNECT_WITH_STUDY_SERVER` in overcooked_gui.py to True.
+- Set `CONNECT_WITH_STUDY_SERVER` in gui.py to True.
 - Run this script. Copy the manager id that is printed
 - Run the game_server.py script with the manager id copied from the terminal
 ```
 python game_server.py --manager_ids COPIED_UUID
 ```
-- Run 2 overcooked_gui.py scripts in different terminals. For more players change `NUMBER_PLAYER_PER_ENV` and start more guis.
+- Run 2 gui.py scripts in different terminals. For more players change `NUMBER_PLAYER_PER_ENV` and start more guis.
 
 The environment starts when all players connected.
 """