Add rollercontrol MQTT reporting

src/primary-esp32/main.cpp

@@ -297,6 +297,11 @@ void loop() {
                 motor_status.motor_3_duty);
         mqtt_client.publish("airseeder/status/roller3", msg_buffer, true);
 
+        sprintf(msg_buffer, "%lu %d %d %d %.2f %.2f %.2f", now, roller_ctrl[0].mode, roller_ctrl[1].mode,
+                roller_ctrl[2].mode, roller_ctrl[0].wheel_ratio, roller_ctrl[1].wheel_ratio,
+                roller_ctrl[2].wheel_ratio);
+        mqtt_client.publish("airseeder/status/rollercontrol", msg_buffer, true);
+
         // Need to save the motor parameters somewhere, so that modification to one of them keeps the old ones
         motor_parameters[0] = motor_status.motor_1_params;
         motor_parameters[1] = motor_status.motor_2_params;