add/edit/delete sectors and participants in campaign

src/warchron/constants.py

@@ -13,6 +13,8 @@ class ItemType(StrEnum):
     ROUND = "round"
     OBJECTIVE = "objective"
     WAR_PARTICIPANT = "war_participant"
+    SECTOR = "sector"
+    CAMPAIGN_PARTICIPANT = "campaign_participant"
 
 class RefreshScope(Enum):
     NONE = auto()