Added to configuration options to disable ArduinoIDE SerialMonitor to set DTR and RTS active when the Monitor is opened

Author: Andrey Filimonov

boards.txt

@@ -6,6 +6,8 @@ esp01.upload.speed=115200
 esp01.upload.resetmethod=none
 esp01.upload.maximum_size=524288
 esp01.upload.wait_for_upload_port=true
+esp01.serial.disableDTR=true
+esp01.serial.disableRTS=true
 
 esp01.build.mcu=esp8266
 esp01.build.f_cpu=80000000L