Update README.md

Author: caio-emidio

README.md

@@ -6,3 +6,12 @@ ms-mqtt-service
 > MQTT_USER=user
 > MQTT_PASSWORD=password
 > PORT=port
+
+# Route
+## POST
+## {{url}}/send-mqtt
+## Params: 
+{
+  'topic': `topic`,
+  'message': `message`
+};