Add Webhook response node (#2254)

* ✨ Add Webhook-Response-Node

* ⚡ Replace callback function with promise

* ✨ Add support for Bull and binary-data

* ✨ Add string response option

* ⚡ Remove some comments

* ✨ Make more generically possible & fix issue multi call in
queue mode

* ⚡ Fix startup and eslint issues

* ⚡ Improvements to webhook response node and functionality

* ⚡ Replace data with more generic type

* ⚡ Make statusMessage optional

* ⚡ Change parameter order

* ⚡ Move Response Code underneath options

* ⚡ Hide Response Code on Webhook node if mode responseNode got selected

* ⚡ Minor improvements

* ⚡ Add missing file and fix lint issue

* ⚡ Fix some node linting issues

* ⚡ Apply feedback

* ⚡ Minor improvements

packages/core/test/WorkflowExecute.test.ts

@@ -1,6 +1,14 @@
-import { IConnections, ILogger, INode, IRun, LoggerProxy, Workflow } from 'n8n-workflow';
+import {
+	createDeferredPromise,
+	IConnections,
+	ILogger,
+	INode,
+	IRun,
+	LoggerProxy,
+	Workflow,
+} from 'n8n-workflow';
 
-import { createDeferredPromise, WorkflowExecute } from '../src';
+import { WorkflowExecute } from '../src';
 
 import * as Helpers from './Helpers';