adding compile-time messages when extra features are enabled

wled00/bus_manager.cpp

@@ -481,6 +481,7 @@ void BusNetwork::cleanup() {
 // ***************************************************************************
 
 #ifdef WLED_ENABLE_HUB75MATRIX
+#warning "HUB75 driver enabled (experimental)"
 
 BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWhite) {
 

wled00/dmx_input.cpp

@@ -1,6 +1,7 @@
 #include "wled.h"
 
 #ifdef WLED_ENABLE_DMX_INPUT
+#pragma message "DMX physical input driver enabled"
 
 #ifdef ESP8266
 #error DMX input is only supported on ESP32

wled00/network.cpp

@@ -4,6 +4,8 @@
 
 
 #ifdef WLED_USE_ETHERNET
+#pragma message "Ethernet support enabled"
+
 // The following six pins are neither configurable nor
 // can they be re-assigned through IOMUX / GPIO matrix.
 // See https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/esp32/get-started-ethernet-kit-v1.1.html#ip101gri-phy-interface

wled00/remote.cpp

@@ -20,6 +20,7 @@
 #ifdef WLED_DISABLE_ESPNOW
 void handleRemote(){}
 #else
+#pragma message "ESP-NOW remote driver enabled"
 
 #if !defined(ARDUINO_ARCH_ESP32) && !defined(ESP_OK)
 #define ESP_OK 0  // add missing constant for stupid esp8266