Update readme.md
Update readme.md
itead/ITEADLIB_Arduino_Nextion,FireDeveloper/ITEADLIB_Arduino_Nextion,FireDeveloper/ITEADLIB_Arduino_Nextion,itead/ITEADLIB_Arduino_Nextion,itead/ITEADLIB_Arduino_Nextion,itead/ITEADLIB_Arduino_Nextion