feat(aurora): add per-type configuration options and a menu to configure them

none of the options do anything yet, this is just creating the configuration keys and the menu to modify them

aurora/models/type.py

@@ -1,12 +1,12 @@
 from abc import abstractmethod
-from typing import Any, List, Tuple
+from typing import Any, Dict, Tuple
 
 from class_registry import AutoRegister, ClassRegistry
 from discord import Interaction, Member, User
 from discord.abc import Messageable
 from redbot.core import commands
 
-type_registry: List['Type'] = ClassRegistry(attr_name='key', unique=True)
+type_registry: Dict['str', 'Type'] = ClassRegistry(attr_name='key', unique=True)
 
 class Type(metaclass=AutoRegister(type_registry)):
     """This is a base class for moderation types.