[Provider] ProviderOrganization events (#432)

common/src/enums/eventType.ts

@@ -55,4 +55,8 @@ export enum EventType {
     ProviderUser_Confirmed = 1801,
     ProviderUser_Updated = 1802,
     ProviderUser_Removed = 1803,
+
+    ProviderOrganization_Created = 1900,
+    ProviderOrganization_Added = 1901,
+    ProviderOrganization_Removed = 1902,
 }