Add support for R
Add support for R

occivink/kakoune,lenormf/kakoune,lenormf/kakoune,occivink/kakoune,jkonecny12/kakoune,casimir/kakoune,alexherbo2/kakoune,mawww/kakoune,lenormf/kakoune,danr/kakoune,casimir/kakoune,alexherbo2/kakoune,Somasis/kakoune,jkonecny12/kakoune,alexherbo2/kakoune,occivink/kakoune,casimir/kakoune,alexherbo2/kakoune,danr/kakoune,danr/kakoune,jkonecny12/kakoune,casimir/kakoune,jkonecny12/kakoune,danr/kakoune,occivink/kakoune,mawww/kakoune,Somasis/kakoune,Somasis/kakoune,mawww/kakoune,mawww/kakoune,Somasis/kakoune,lenormf/kakoune