add new permission group

models/permission.go

@@ -15,6 +15,7 @@ func (r *Permissions) DefaultPermissions() {
 		Permission{Name: "members", Permission: 31},
 		Permission{Name: "events", Permission: 7},
 		Permission{Name: "responsible", Permission: 7},
+		Permission{Name: "group", Permission: 7},
 	)
 }