Add hbs alias for Handlebars
Add hbs alias for Handlebars

Adds a `hbs` alias for `Handlebars`. It's very commonly used and would make adding hbs code blocks easier in github comments.
Mx7f/linguist,martynbm/linguist,assimovt/ling-ist,0a-/linguist,SRI-CSL/linguist,seanders/linguist,erkyrath/linguist,pcantrell/linguist,martynbm/linguist,stanhu/linguist,jrnold/linguist,matt40k/linguist,tschf/linguist,MostAwesomeDude/linguist,ammaraskar/linguist,hcatlin/linguist,assimovt/ling-ist,Mx7f/linguist,ppaulweber/github-linguist,anhongyue/test222,douglas-larocca/linguist,osorgin/linguist,alvarotrigo/linguist,MahmoudFayed/linguist,kyoungrok0517/linguist,mcandre/linguist,MadcapJake/linguist,JJ/linguist,CoderXpert/linguist,pchaigno/linguist,sebgod/linguist,steventhanna/linguist,adamkaplan/linguist,a0viedo/linguist,MostAwesomeDude/linguist,FStarLang/linguist,0a-/linguist,SRI-CSL/linguist,sagar290/linguist,jjatria/linguist,mcandre/linguist,R4PaSs/linguist,chiranjeevjain/linguist,christop/linguist,douglas-larocca/linguist,alvarotrigo/linguist,pchaigno/linguist,blakeembrey/linguist,georgesuperman/linguist,jjatria/linguist,hcutler/linguist,ammaraskar/linguist,JJ/linguist,manveru/linguist,cokeboL/linguist,yscho/linguist,bluebear94/linguist,meunierfrederic/octocatlinguist,kr/linguist,github/linguist,ppaulweber/github-linguist,CoderXpert/linguist,stanhu/linguist,whitj00/linguist,sagar290/linguist,osorgin/linguist,bluebear94/linguist,ilyes14/linguist,Rockyspade/linguist,github/linguist,cybernet14/linguist,FStarLang/linguist,stanhu/linguist,ya7lelkom/linguist,alitalia/linguist,marcojonker/test,jrnold/linguist,sideci-sample/sideci-sample-linguist,thejameskyle/linguist,R4PaSs/linguist,JJ/linguist,yscho/linguist,yyx990803/linguist,yyx990803/linguist,mattn/linguist,adamkaplan/linguist,c-lipka/linguist,sebgod/linguist,phpsgi/linguist,pchaigno/linguist,sebgod/linguist,hcatlin/linguist,JJ/linguist,erkyrath/linguist,BerkeleyTrue/linguist,erkyrath/linguist,mwpastore/linguist,anhongyue/test222,CegepVictoriaville/linguist,CegepVictoriaville/linguist,scttnlsn/linguist,ilyes14/linguist,matt40k/linguist,iblech/linguist,manveru/linguist,davidzchen/linguist,MadcapJake/linguist,seanders/linguist,c-lipka/linguist,phpsgi/linguist,alitalia/linguist,github/linguist,steventhanna/linguist,PsichiX/linguist,a0viedo/linguist,sideci-sample/sideci-sample-linguist,pchaigno/linguist,kyoungrok0517/linguist,davidzchen/linguist,yyx990803/linguist,BerkeleyTrue/linguist,MahmoudFayed/linguist,jtbandes/linguist,thejameskyle/linguist,sebgod/linguist,wcandillon/linguist,cokeboL/linguist,scttnlsn/linguist,marcojonker/test,christop/linguist,tschf/linguist,georgesuperman/linguist,nburkley/linguist,blakeembrey/linguist,jtbandes/linguist,hcutler/linguist,meunierfrederic/octocatlinguist,meunierfrederic/octocatlinguist,Rockyspade/linguist,ya7lelkom/linguist,PsichiX/linguist,chiranjeevjain/linguist,yyx990803/linguist,mattn/linguist,nburkley/linguist,stanhu/linguist,erkyrath/linguist,whitj00/linguist,iblech/linguist,github/linguist,pcantrell/linguist,cybernet14/linguist,wcandillon/linguist,kr/linguist,mwpastore/linguist