Merge branch 'main' into 'unit_testing'

# Conflicts:
#   marl_factory_grid/algorithms/static/TSP_dirt_agent.py
#   marl_factory_grid/utils/config_parser.py

marl_factory_grid/modules/maintenance/__init__.py

@@ -1,2 +1,9 @@
 from .entities import Maintainer
 from .groups import Maintainers
+"""
+maintenance
+===========
+
+Todo
+
+"""

marl_factory_grid/modules/maintenance/entities.py

@@ -16,8 +16,9 @@ from ..doors import DoorUse
 class Maintainer(Entity):
 
     def __init__(self, objective, action, *args, **kwargs):
-        """
-        Represents the maintainer entity that aims to maintain machines.
+        self.action_ = """
+        Represents the maintainer entity that aims to maintain machines. The maintainer calculates its route using nx 
+        shortest path and restores the health of machines it visits to 100.
         
         :param objective: The maintainer's objective, e.g., "Machines".
         :type objective: str

marl_factory_grid/modules/maintenance/groups.py

@@ -27,7 +27,7 @@ class Maintainers(Collection):
 
     def __init__(self, *args, **kwargs):
         """
-        A collection of maintainers
+        A collection of maintainers that is used to spawn them.
         """
         super().__init__(*args, **kwargs)