✨ Add Paddle Integration (#726)

* 🚧 Resource descriptions

* 🚧 Node logic / Genericfunctions setup

* 🚧 Tests / changes

* 🚧 Changes

- Added loadOptions to Payments / Coupon properties for easier item selection
- Added exemptions for how data is returned due to inconsistent data return object from API
- Other small fixes in main node

* 🚧 Simplified HTTPS error response

* 🚧 Added RAW Data options

* 🔥 Removed order resource

- Cannot fetch order without a checkout ID, which can only be obtained via a custom implementation which involves a callback function when a user goes through their checkout process.

* ⚡ Improvement to Paddle-Node

* ⚡ Improvements

* ⚡ Added all currencies, discount grouped properties to coupon update

Co-authored-by: ricardo <ricardoespinoza105@gmail.com>

packages/nodes-base/nodes/Paddle/OrderDescription.ts

@@ -0,0 +1,52 @@
+import {
+	INodeProperties,
+} from 'n8n-workflow';
+
+export const orderOperations = [
+	{
+		displayName: 'Operation',
+		name: 'operation',
+		type: 'options',
+		displayOptions: {
+			show: {
+				resource: [
+					'order',
+				],
+			},
+		},
+		options: [
+			{
+				name: 'Get',
+				value: 'get',
+				description: 'Get an order',
+			}
+		],
+		default: 'get',
+		description: 'The operation to perform.',
+	},
+] as INodeProperties[];
+
+export const orderFields = [
+
+/* -------------------------------------------------------------------------- */
+/*                                 order:get                         */
+/* -------------------------------------------------------------------------- */
+	{
+		displayName: 'Checkout ID',
+		name: 'checkoutId',
+		type: 'string',
+		default: '',
+		required: true,
+		displayOptions: {
+			show: {
+				resource: [
+					'order',
+				],
+				operation: [
+					'get',
+				],
+			},
+		},
+		description: 'The identifier of the buyer’s checkout.',
+	},
+] as INodeProperties[];