i am looking for someone who ALREADY done, bio metric finger print integration in erpnext. we want to use finger print to login to erpnext . also, we need to add customers finger print in the system , so we can give discount uisng customers finger print, rather than using discount cards. also need to use staff attendace using the finger print. please only bid , if you have already done in erpnext platform. when bid please write us which hardware you used for it.