Secured mutations with an api-key. When in production mode it should return null if an API key is not provided or is incorrect.

src/graphql/types.ts

@@ -11,11 +11,25 @@ const typeDefs = /* GraphQL */ `
     getTotalStats: TotalStats!
   }
   type Mutation {
-    init: String!
-    cronJob: TotalStats!
-    addGroup(groupID: BigInt, groupName: String, groupUsername: String): Groups!
-    incrementGroup(groupID: BigInt, linksDeleted: Int): Groups!
-    increment(link: Boolean, command: Boolean, trigger: Boolean): DailyStats!
+    init(mutationKey: String): String
+    cronJob(mutationKey: String): TotalStats
+    addGroup(
+      groupID: BigInt!
+      groupName: String!
+      groupUsername: String
+      mutationKey: String
+    ): Groups
+    incrementGroup(
+      groupID: BigInt!
+      linksDeleted: Int!
+      mutationKey: String
+    ): Groups
+    increment(
+      link: Boolean
+      command: Boolean
+      trigger: Boolean
+      mutationKey: String
+    ): DailyStats
   }
 
   type Groups {