✨ Add Stackby Node (#1414)

* 🎉 Initial commit for stackby nodes

* 👕 Adding values into package.json

* ⚡ Improvements to #1389

* ⚡ Minor improvements to Stackby-Node

* 👕 Fix lint issue

Co-authored-by: Smit Parmar <16ce061@charusat.edu.in>
Co-authored-by: Smit Parmar <30971669+smituparmar@users.noreply.github.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

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

@@ -0,0 +1,18 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class StackbyApi implements ICredentialType {
+	name = 'stackbyApi';
+	displayName = 'Stackby API';
+	documentationUrl = 'stackby';
+	properties = [
+		{
+			displayName: 'API Key',
+			name: 'apiKey',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+	];
+}