Added mutation key to features.

src/lib/graphql/mutations/incrementGroupMutation.ts

@@ -1,8 +1,16 @@
 import { gql } from "@urql/core";
 
 const incrementGroup = gql`
-  mutation incrementGroup($groupID: BigInt, $linksDeleted: Int) {
-    incrementGroup(groupID: $groupID, linksDeleted: $linksDeleted) {
+  mutation incrementGroup(
+    $groupID: BigInt
+    $linksDeleted: Int
+    $mutationKey: String
+  ) {
+    incrementGroup(
+      groupID: $groupID
+      linksDeleted: $linksDeleted
+      mutationKey: $mutationKey
+    ) {
       telegramID
       name
       username