feat (TelegramTrigger Node): added notice explaining behavior when several attachments are uploaded

packages/nodes-base/nodes/Telegram/TelegramTrigger.node.ts

@@ -101,6 +101,13 @@ export class TelegramTrigger implements INodeType {
 				default: [],
 				description: 'The update types to listen to',
 			},
+			{
+				displayName:
+					'Every uploaded attachment, even if sent in a group, will trigger a separate event. You can identify that an attachment belongs to a certain group by <code>media_group_id</code> .',
+				name: 'attachmentNotice',
+				type: 'notice',
+				default: '',
+			},
 			{
 				displayName: 'Additional Fields',
 				name: 'additionalFields',