Add .ruby to the list of ruby file extensions
Add .ruby to the list of ruby file extensions

Can be found in Rails partial, eg `.html.ruby`
mcandre/linguist,matt40k/linguist,FStarLang/linguist,douglas-larocca/linguist,sebgod/linguist,seanders/linguist,CoderXpert/linguist,steventhanna/linguist,assimovt/ling-ist,nburkley/linguist,JJ/linguist,erkyrath/linguist,nburkley/linguist,mattn/linguist,sagar290/linguist,BerkeleyTrue/linguist,BerkeleyTrue/linguist,cybernet14/linguist,pchaigno/linguist,pchaigno/linguist,CoderXpert/linguist,R4PaSs/linguist,iblech/linguist,a0viedo/linguist,cybernet14/linguist,douglas-larocca/linguist,yyx990803/linguist,PsichiX/linguist,chiranjeevjain/linguist,jjatria/linguist,christop/linguist,SRI-CSL/linguist,pcantrell/linguist,CegepVictoriaville/linguist,MostAwesomeDude/linguist,github/linguist,jrnold/linguist,meunierfrederic/octocatlinguist,PsichiX/linguist,ppaulweber/github-linguist,stanhu/linguist,hcutler/linguist,adamkaplan/linguist,MahmoudFayed/linguist,steventhanna/linguist,phpsgi/linguist,whitj00/linguist,JJ/linguist,davidzchen/linguist,MadcapJake/linguist,phpsgi/linguist,assimovt/ling-ist,Mx7f/linguist,thejameskyle/linguist,stanhu/linguist,R4PaSs/linguist,chiranjeevjain/linguist,scttnlsn/linguist,sebgod/linguist,cokeboL/linguist,matt40k/linguist,alitalia/linguist,osorgin/linguist,yyx990803/linguist,kr/linguist,Mx7f/linguist,stanhu/linguist,erkyrath/linguist,jtbandes/linguist,c-lipka/linguist,hcatlin/linguist,anhongyue/test222,FStarLang/linguist,MadcapJake/linguist,kyoungrok0517/linguist,bluebear94/linguist,sagar290/linguist,martynbm/linguist,ya7lelkom/linguist,bluebear94/linguist,github/linguist,seanders/linguist,MostAwesomeDude/linguist,pcantrell/linguist,ilyes14/linguist,JJ/linguist,a0viedo/linguist,ilyes14/linguist,github/linguist,c-lipka/linguist,SRI-CSL/linguist,iblech/linguist,ammaraskar/linguist,erkyrath/linguist,jtbandes/linguist,yyx990803/linguist,meunierfrederic/octocatlinguist,JJ/linguist,cokeboL/linguist,sebgod/linguist,mattn/linguist,osorgin/linguist,thejameskyle/linguist,mwpastore/linguist,kyoungrok0517/linguist,scttnlsn/linguist,georgesuperman/linguist,erkyrath/linguist,pchaigno/linguist,ya7lelkom/linguist,yyx990803/linguist,martynbm/linguist,georgesuperman/linguist,github/linguist,ppaulweber/github-linguist,alitalia/linguist,sebgod/linguist,meunierfrederic/octocatlinguist,mcandre/linguist,kr/linguist,MahmoudFayed/linguist,manveru/linguist,yscho/linguist,hcatlin/linguist,jrnold/linguist,anhongyue/test222,CegepVictoriaville/linguist,manveru/linguist,tschf/linguist,ammaraskar/linguist,christop/linguist,stanhu/linguist,yscho/linguist,tschf/linguist,davidzchen/linguist,pchaigno/linguist,mwpastore/linguist,adamkaplan/linguist,whitj00/linguist,jjatria/linguist,hcutler/linguist