upd readme
upd readme

add env instructions for win
jansule/o2r-platform,o2r-project/o2r-platform,o2r-project/o2r-platform,o2r-project/o2r-platform,rehans516/o2r-platform,jansule/o2r-platform,o2r-project/o2r-platform,jansule/o2r-platform,rehans516/o2r-platform,o2r-project/o2r-platform,rehans516/o2r-platform