[LED] Refactor LED handling (#2051)

Refactor LED handling into a library
Use a task instead of relying on the loop for precise timing

Co-authored-by: Florian <1technophile@users.noreply.github.com>

main/ZsensorGPIOInput.ino

@@ -64,8 +64,6 @@ void MeasureGPIOInput() {
         resetTime = millis();
       } else if ((millis() - resetTime) > 3000) {
         Log.trace(F("Button Held" CR));
-        InfoIndicatorOFF();
-        SendReceiveIndicatorOFF();
 // Switching off the relay during reset or failsafe operations
 #    ifdef ZactuatorONOFF
         uint8_t level = digitalRead(ACTUATOR_ONOFF_GPIO);