✨ Add MQTT & Trigger Node (#1705)

* ✨ MQTT-Node

* ⚡ Small fix

* ⚡ Error when the publish method faile

* ⚡ Improvements

* ⚡ Improvements

* ⚡ Add Send Input Data parameter

* ⚡ Minor improvements

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

packages/nodes-base/nodes/MQTT/Mqtt.node.json

@@ -0,0 +1,21 @@
+{
+	"node": "n8n-nodes-base.mqtt",
+	"nodeVersion": "1.0",
+	"codexVersion": "1.0",
+	"categories": [
+		"Communication",
+		"Development"
+	],
+	"resources": {
+		"credentialDocumentation": [
+			{
+				"url": "https://docs.n8n.io/credentials/mqtt"
+			}
+		],
+		"primaryDocumentation": [
+			{
+				"url": "https://docs.n8n.io/nodes/n8n-nodes-base.mqtt/"
+			}
+		]
+	}
+}