feat: Implement process worker with bullmq

packages/backend/src/graphql/mutations/execute-flow.ts

@@ -2,6 +2,7 @@ import { GraphQLString, GraphQLNonNull } from 'graphql';
 import RequestWithCurrentUser from '../../types/express/request-with-current-user';
 import executeFlowType from '../types/execute-flow';
 import Processor from '../../services/processor';
+import processorQueue from '../../queues/processor';
 
 type Params = {
   stepId: string;
@@ -21,6 +22,12 @@ const executeFlowResolver = async (
   const flow = await step.$relatedQuery('flow');
   const data = await new Processor(flow, step).run();
 
+  // TODO: Use this snippet to execute flows with the background job.
+  // const data = processorQueue.add('processorJob', {
+  //   flowId: flow.id,
+  //   stepId: step.id,
+  // });
+
   await step.$query().patch({
     status: 'completed',
   });