Add rgb gpio powering pin (#1321)

* Add RGB GPIO powering pin

When the RGB Led is powered by an uC pin, enable to power it up from the led setup

* Comments improvements

main/User_config.h

@@ -388,6 +388,7 @@ int lowpowermode = DEFAULT_LOW_POWER_MODE;
 #  define ota_timeout_millis 30000
 #endif
 
+/*-------------ERRORS, INFOS, SEND RECEIVE Display through LED----------------*/
 #ifndef RGB_INDICATORS // Management of Errors, reception/emission and informations indicators with basic LED
 /*-------------DEFINE PINs FOR STATUS LEDs----------------*/
 #  ifndef LED_SEND_RECEIVE
@@ -449,9 +450,14 @@ int lowpowermode = DEFAULT_LOW_POWER_MODE;
 #else // Management of Errors, reception/emission and informations indicators with RGB LED
 #  include <FastLED.h>
 CRGB leds[FASTLED_IND_NUM_LEDS];
+#  ifndef RGB_LED_POWER
+#    define RGB_LED_POWER -1 // If the RGB Led is linked to GPIO pin for power define it here
+#  endif
 #  define SetupIndicators()                                                               \
+    pinMode(RGB_LED_POWER, OUTPUT);                                                       \
+    digitalWrite(RGB_LED_POWER, HIGH);                                                    \
     FastLED.addLeds<FASTLED_IND_TYPE, FASTLED_IND_DATA_GPIO>(leds, FASTLED_IND_NUM_LEDS); \
-    FastLED.setBrightness(20); /* Error, warning and infos display management*/
+    FastLED.setBrightness(20);
 #  define ErrorIndicatorON() \
     leds[0] = CRGB::Red;     \
     FastLED.show()