Added doc string to to_dict method of the Effect class

cooperative_cuisine/items.py

@@ -472,6 +472,11 @@ class Effect:
         """For fire: how much the player still has to extinguish."""
 
     def to_dict(self) -> EffectState:
+        """Converts the current object to a dictionary representation.
+
+        Returns:
+            dict: A dictionary representation of the object.
+        """
         return {
             "id": self.uuid,
             "type": self.name,