Added functionnal save system and broken load system

dungeonbattle/entities/monsters.py

@@ -5,6 +5,9 @@ from ..interfaces import FightingEntity, Map
 
 
 class Monster(FightingEntity):
+    def __init__(self) -> None:
+        super().__init__()
+        
     def act(self, m: Map) -> None:
         """
         By default, a monster will move randomly where it is possible
@@ -35,24 +38,32 @@ class Monster(FightingEntity):
 
 
 class Beaver(Monster):
+    def __init__(self) -> None:
+        super().__init__()
     name = "beaver"
     maxhealth = 30
     strength = 2
 
 
 class Hedgehog(Monster):
+    def __init__(self) -> None:
+        super().__init__()
     name = "hedgehog"
     maxhealth = 10
     strength = 3
 
 
 class Rabbit(Monster):
+    def __init__(self) -> None:
+        super().__init__()
     name = "rabbit"
     maxhealth = 15
     strength = 1
 
 
 class TeddyBear(Monster):
+    def __init__(self) -> None:
+        super().__init__()
     name = "teddy_bear"
     maxhealth = 50
     strength = 0