pioneer: add missing Content variant to joy-utils/src/consts/workingGroups.ts

pioneer/packages/joy-utils/src/consts/workingGroups.ts

@@ -1,4 +1,5 @@
 import { WorkingGroupKey } from '@joystream/types/common';
 export const apiModuleByGroup: { [k in WorkingGroupKey]: string } = {
-  Storage: 'storageWorkingGroup'
+  Storage: 'storageWorkingGroup',
+  Content: 'contentDirectoryWorkingGroup'
 };