✨ Add ERPNext node (#1604)

* 🚧 Integrated with access token

OAuth2 still needs work

* 🚧 Removed OAuth2 for now

* ⚡ Improvements

* ⚡ Improvements

* ⚡ Refactor ERPNext node

* 🔥 Remove PNG icon

* 🔥 Remove leftover comments

* 🔨 Catch unavailable resource error

* ⚡ Reposition docType for filters

* ⚡ Improvements

* ⚡ Cleanup

Co-authored-by: Rupenieks <ronaldsupenieks96@gmail.com>
Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

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

@@ -0,0 +1,32 @@
+import {
+	ICredentialType,
+	NodePropertyTypes,
+} from 'n8n-workflow';
+
+export class ERPNextApi implements ICredentialType {
+	name = 'erpNextApi';
+	displayName = 'ERPNext API';
+	documentationUrl = 'erpnext';
+	properties = [
+		{
+			displayName: 'API Key',
+			name: 'apiKey',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'API Secret',
+			name: 'apiSecret',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+		},
+		{
+			displayName: 'Subdomain',
+			name: 'subdomain',
+			type: 'string' as NodePropertyTypes,
+			default: '',
+			placeholder: 'n8n',
+			description: 'ERPNext subdomain. For instance, entering n8n will make the url look like: https://n8n.erpnext.com/.',
+		},
+	];
+}