Add xp for achievement #268_achievements

kdb-bot/src/modules/base/configuration/base_server_settings.py

@@ -16,6 +16,7 @@ class BaseServerSettings(ConfigurationModelABC):
         self._max_message_xp_per_hour: int = 0
         self._xp_per_ontime_hour: int = 0
         self._xp_per_event_participation: int = 0
+        self._xp_per_achievement: int = 0
         self._afk_channel_ids: List[int] = List(int)
         self._afk_command_channel_id: int = 0
         self._help_command_reference_url: str = ""
@@ -51,6 +52,10 @@ class BaseServerSettings(ConfigurationModelABC):
     def xp_per_event_participation(self) -> int:
         return self._xp_per_event_participation
 
+    @property
+    def xp_per_achievement(self) -> int:
+        return self._xp_per_achievement
+
     @property
     def afk_channel_ids(self) -> List[int]:
         return self._afk_channel_ids