Update reference.md
Update reference.md

Preliminary ESP8266FS tool instructions
ogahara/Arduino,ssvs111/Arduino,eeijcea/Arduino-1,eeijcea/Arduino-1,spapadim/Arduino,ogahara/Arduino,EmuxEvans/Arduino,myrtleTree33/Arduino,paulmand3l/Arduino,smily77/Arduino,weera00/Arduino,mateuszdw/Arduino,gonium/Arduino,ogahara/Arduino,EmuxEvans/Arduino,mateuszdw/Arduino,mateuszdw/Arduino,ssvs111/Arduino,mateuszdw/Arduino,spapadim/Arduino,eeijcea/Arduino-1,EmuxEvans/Arduino,EmuxEvans/Arduino,drpjk/Arduino,mangelajo/Arduino,myrtleTree33/Arduino,ssvs111/Arduino,gonium/Arduino,mangelajo/Arduino,myrtleTree33/Arduino,smily77/Arduino,EmuxEvans/Arduino,drpjk/Arduino,spapadim/Arduino,sanyaade-iot/Arduino-1,ssvs111/Arduino,spapadim/Arduino,paulmand3l/Arduino,leftbrainstrain/Arduino-ESP8266,EmuxEvans/Arduino,ogahara/Arduino,spapadim/Arduino,zenmanenergy/Arduino,zenmanenergy/Arduino,ssvs111/Arduino,sanyaade-iot/Arduino-1,smily77/Arduino,myrtleTree33/Arduino,EmuxEvans/Arduino,leftbrainstrain/Arduino-ESP8266,paulmand3l/Arduino,spapadim/Arduino,myrtleTree33/Arduino,myrtleTree33/Arduino,smily77/Arduino,mangelajo/Arduino,mangelajo/Arduino,paulmand3l/Arduino,zenmanenergy/Arduino,smily77/Arduino,drpjk/Arduino,weera00/Arduino,mateuszdw/Arduino,mangelajo/Arduino,sanyaade-iot/Arduino-1,zenmanenergy/Arduino,weera00/Arduino,zenmanenergy/Arduino,drpjk/Arduino,smily77/Arduino,eeijcea/Arduino-1,leftbrainstrain/Arduino-ESP8266,leftbrainstrain/Arduino-ESP8266,mateuszdw/Arduino,smily77/Arduino,drpjk/Arduino,weera00/Arduino,drpjk/Arduino,leftbrainstrain/Arduino-ESP8266,sanyaade-iot/Arduino-1,gonium/Arduino,sanyaade-iot/Arduino-1,mangelajo/Arduino,weera00/Arduino,paulmand3l/Arduino,leftbrainstrain/Arduino-ESP8266,gonium/Arduino,paulmand3l/Arduino,gonium/Arduino,gonium/Arduino,weera00/Arduino,myrtleTree33/Arduino,eeijcea/Arduino-1,ogahara/Arduino,sanyaade-iot/Arduino-1,gonium/Arduino,zenmanenergy/Arduino,leftbrainstrain/Arduino-ESP8266,zenmanenergy/Arduino,paulmand3l/Arduino,ogahara/Arduino,sanyaade-iot/Arduino-1,mateuszdw/Arduino,spapadim/Arduino,drpjk/Arduino,ogahara/Arduino,mangelajo/Arduino,eeijcea/Arduino-1,eeijcea/Arduino-1,weera00/Arduino,ssvs111/Arduino,ssvs111/Arduino