get rid of the MessageDistributor module... & update discord, to work with API v10

Added discord commands (issue: as they're running over the event hub, they're processed on the same track as other events. => activity ingame triggers the next run; otherwise there's some delay for responses)
relay is a standard module now.

modules/core/riadmin/riadmin_controller.py

@@ -1,20 +1,26 @@
 import json
 import math
+import typing
 
 from core.buddy_service import BuddyService
 from core.chat_blob import ChatBlob
 from core.command_param_types import Const, Character, Any, NamedParameters
 from core.decorators import instance, command, event
 from core.dict_object import DictObject
+
 from core.logger import Logger
-from core.lookup.character_service import CharacterService
-from core.lookup.pork_service import PorkService
-from core.private_channel_service import PrivateChannelService
+
 from core.setting_service import SettingService
 from core.setting_types import TextSettingType
 from core.text import Text
 from core.translation_service import TranslationService
 from core.igncore import IgnCore
+from core.private_channel_service import PrivateChannelService
+
+if typing.TYPE_CHECKING:
+    from core.lookup.character_service import CharacterService
+    from core.lookup.pork_service import PorkService
+    from core.event_service import EventService
 
 
 # noinspection SqlCaseVsIf,SqlCaseVsCoalesce
@@ -38,6 +44,7 @@ class RIAdminController:
         self.getresp = self.ts.get_response
         self.buddy_service: BuddyService = registry.get_instance("buddy_service")
         self.pork: PorkService = registry.get_instance("pork_service")
+        self.event_service: EventService = registry.get_instance("event_service")
 
     def start(self):
         self.db.exec(
@@ -54,6 +61,8 @@ class RIAdminController:
                                       TextSettingType(), "Allowed bots (charID's)",
                                       extended_description="This setting is *NOT* synchronized across the network;"
                                                            " this needs to be done manually!")
+    def pre_start(self):
+        self.event_service.register_event_type("RAID_END")
 
     @event(event_type="buddy_logoff", description="Track raiders")
     def raider_logoff(self, _, event_data):