feat(scanner) added pairing scan and main QR scan
feat(scanner) added pairing scan and main QR scan

lamassu/lamassu-machine,evan82/lamassu-machine,evan82/lamassu-machine,joshmh/lamassu-machine,lamassu/lamassu-machine,bitstopco/lamassu-machine-old,joshmh/lamassu-machine,bitstopco/lamassu-machine-old,lamassu/lamassu-machine,evan82/lamassu-machine,bitstopco/lamassu-machine-old,joshmh/lamassu-machine,evan82/lamassu-machine,bitstopco/lamassu-machine-old,lamassu/lamassu-machine