✨ Add Beeminder Node (#1325)

* add Beeminder node

* clean up unused def

* add crud ops

* update additional properties

* support options in methods

* ⚡ Improvements to ##1320

* ⚡ Minor improvements to Beeminder

Co-authored-by: mutdmour <mutdmour@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

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

@@ -0,0 +1,23 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class BeeminderApi implements ICredentialType {
+	name = 'beeminderApi';
+	displayName = 'Beeminder API';
+	properties = [
+		{
+			displayName: 'User',
+			name: 'user',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Auth Token',
+			name: 'authToken',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+	];
+}