Added binary backup of ESP8266's ROM ver 0.1
Added binary backup of ESP8266's ROM ver 0.1

ROM can be restored using the esptool:

python esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash -fm qio 0x00000 Backup_BoxJointJig.bin
wurmtal868/BOX_JOINT_JIG,wurmtal868/BOX_JOINT_JIG