✨ Add Wufoo-Trigger node (#597)

* Generic functions, credentials, interface, logo, triggernode

* TSLint tabs rule, request error handling, webhook done

On hold until Wufoo responds with sandbox account

* Removed test logging, fixed various errors, cleaned up

* Sorted imports, adjusted data display,  removed anys, tslint import sort rule

* RAAAAAW data

* ⚡ Fix logo and improve formatting

* ⚡ Improvements

* ⚡ Minor improvements to WuFoo-Trigger

Co-authored-by: Rupenieks <ru@myos,co>
Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/credentials/WufooApi.credentials.ts

@@ -0,0 +1,23 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class WufooApi implements ICredentialType {
+	name = 'wufooApi';
+	displayName = 'Wufoo API';
+	properties = [
+		{
+			displayName: 'API Key',
+			name: 'apiKey',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Subdomain',
+			name: 'subdomain',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+        }
+	];
+}