update readme with info about encoding check
update readme with info about encoding check

LukasLohoff/o2r-loader,nuest/o2r-loader,nuest/o2r-loader,LukasLohoff/o2r-loader,LukasLohoff/o2r-loader,LukasLohoff/o2r-loader,nuest/o2r-loader,nuest/o2r-loader