✨ Add Plivo Node (#1563)

* add Plivo Node

* fixed package.json

* added Git user in CLI to validate CLA

* 🎨 Replace PNG with SVG icon

* ⚡ Ajust per codebase conventions

* 🔨 Fix operation ID

* ✏️ Specify geo-restriction for MMS

* ⚡ Improvements

* ⚡ Fix node name and operation order

Co-authored-by: Nixon <nixon@Nixons-MacBook-Pro.local>
Co-authored-by: Nixon <nixon@plivo.com>
Co-authored-by: ricardo <ricardoespinoza105@gmail.com>
Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/nodes-base/nodes/Plivo/CallDescription.ts

@@ -0,0 +1,117 @@
+import {
+	INodeProperties,
+} from 'n8n-workflow';
+
+export const callOperations = [
+	{
+		displayName: 'Operation',
+		name: 'operation',
+		type: 'options',
+		displayOptions: {
+			show: {
+				resource: [
+					'call',
+				],
+			},
+		},
+		options: [
+			{
+				name: 'Make',
+				value: 'make',
+				description: 'Make a voice call',
+			},
+		],
+		default: 'make',
+		description: 'Operation to perform.',
+	},
+] as INodeProperties[];
+
+export const callFields = [
+	// ----------------------------------
+	//           call: make
+	// ----------------------------------
+	{
+		displayName: 'From',
+		name: 'from',
+		type: 'string',
+		default: '',
+		placeholder: '+14156667777',
+		description: 'Caller ID for the call to make.',
+		required: true,
+		displayOptions: {
+			show: {
+				resource: [
+					'call',
+				],
+				operation: [
+					'make',
+				],
+			},
+		},
+	},
+	{
+		displayName: 'To',
+		name: 'to',
+		type: 'string',
+		default: '',
+		placeholder: '+14156667778',
+		required: true,
+		description: 'Phone number to make the call to.',
+		displayOptions: {
+			show: {
+				resource: [
+					'call',
+				],
+				operation: [
+					'make',
+				],
+			},
+		},
+	},
+	{
+		displayName: 'Answer Method',
+		name: 'answer_method',
+		type: 'options',
+		required: true,
+		description: 'HTTP verb to be used when invoking the Answer URL.',
+		default: 'POST',
+		options: [
+			{
+				name: 'GET',
+				value: 'GET',
+			},
+			{
+				name: 'POST',
+				value: 'POST',
+			},
+		],
+		displayOptions: {
+			show: {
+				resource: [
+					'call',
+				],
+				operation: [
+					'make',
+				],
+			},
+		},
+	},
+	{
+		displayName: 'Answer URL',
+		name: 'answer_url',
+		type: 'string',
+		default: '',
+		description: 'URL to be invoked by Plivo once the call is answered.<br>It should return the XML to handle the call once answered.',
+		required: true,
+		displayOptions: {
+			show: {
+				resource: [
+					'call',
+				],
+				operation: [
+					'make',
+				],
+			},
+		},
+	},
+] as INodeProperties[];