:arrow_left: Contributing? - update for JSFiddle
:arrow_left: Contributing? - update for JSFiddle

the newest slick added a new css theme, had to add this to the JSFiddle for contributing.md.
bartvde/slick,kev-mc/slick,kev-mc/slick,laurent-bettin/slick,laantorchaweb/slick,kevinrodrigues/slick,localpcguy/slick,palgit/slick,ilovezy/slick,madhav5589/slick,nyusaf/slick,valentinvoilean/slick,davidBearinTokyo/slick,EugeneKot/slick,wstoettinger/slick,theapsgroup/slick,yorimontolalu/slick,CapeSepias/slick-1,wstoettinger/slick,yakupme/slick,marvinhuebner/slick,sky-uk/slick,HagiaSofiya/slick,DmitriyTrt/slick,astericky/slick,buithaitruong/slick,wc-matteo/slick,flaviocysne/slick,alexuson/slick,laurent-bettin/slick,routard/slick,laantorchaweb/slick,prabhuramkumar/slick,ethanclevenger91/slick,cielt/slick,EricHodgins/slick,DouglasMartin/slick,rphelan/slick,archang/slick,dftdp/slick,Tuckie/slick,Duncaen/slick,nyusaf/slick,prabhuramkumar/slick,kostakoida/slick,marvinhuebner/slick,aciliainternet/slick,AndBicScadMedia/slick,carrie88/slick,ernestob/slick,flaviocysne/slick,BroadwayDev/slick,znsstudio/slick,kelvearagao/slick,nestpick/slick,wc-matteo/slick,simeydotme/slick,prabhuramkumar/slick,aciliainternet/slick,escaped/slick,kenwheeler/slick,Tuckie/slick,ceg692001/slick,sky-uk/slick,compact/slick,Jako/slick,dev6-seucondominio/slick,dport512/testrepo,btpoe/slick,gitkiselev/slick,archang/slick,SalahAdDin/slick,DouglasMartin/slick,yorimontolalu/slick,Kentlol123/slick,christophgreggersen/slick,ilovezy/slick,palgit/slick,web-busters/slick,ethanclevenger91/slick,FluidInc/slick,Duske/slick,vaartio/slick,escaped/slick,kuslahne/slick,melbournevijay/slick,vuongdothanhhuy/slick,modulexcite/slick,compact/slick,dev6-seucondominio/slick,b-cuts/slick,Apreche/slick,hemusyl/slick,ionut-c/slick,bartvde/slick,btpoe/slick,HellSquirrel/slick,xiaoliw7/slick,yorimontolalu/slick,yakupme/slick,rsemenyshyn/slick,simeydotme/slick,cielt/slick,strawmitch/slick,kenwheeler/slick,astericky/slick,joker8999/slick,dport512/testrepo,Jeremy017/slick,davidBearinTokyo/slick,bneiluj/slick,odie2/slick,strawmitch/slick,SalahAdDin/slick,Apreche/slick,localpcguy/slick,HagiaSofiya/slick,paggel/slick,UVLabs/slick,wc-matteo/slick,kenwheeler/slick,billybonz1/slick,valentinvoilean/slick,AntoineBoulanger/slick,ceg692001/slick,melbournevijay/slick,carrie88/slick,vyacheslav-lonschakov/slick,b-cuts/slick,Duncaen/slick,modulexcite/slick,christophgreggersen/slick,tyleraadams/slick,Jeremy017/slick,EugeneKot/slick,ddrevnov/slick,skotz/slick,EricHodgins/slick,joker8999/slick,bneiluj/slick,gitkiselev/slick,Jako/slick,AntoineBoulanger/slick,sandow-digital/slick,buithaitruong/slick,sojimaxi/slick,Duske/slick,justin-rosecrans/slick,AndBicScadMedia/slick,markvantilburg/slick,vuongdothanhhuy/slick,ixkaito/slick,vyacheslav-lonschakov/slick,skotz/slick,paggel/slick,chuckienorton/slick,markvantilburg/slick,xiaoliw7/slick,chuckienorton/slick,tyleraadams/slick,routard/slick,vaartio/slick,rphelan/slick,Kentlol123/slick,nestpick/slick,kelvearagao/slick,sojimaxi/slick,aciliainternet/slick,neogis-de/slick,billybonz1/slick,flaviocysne/slick,amyash/slick,theapsgroup/slick,ddrevnov/slick,goranefbl/slick,BroadwayDev/slick,znsstudio/slick,ernestob/slick,ixkaito/slick,UVLabs/slick,justin-rosecrans/slick,FluidInc/slick,dftdp/slick,kostakoida/slick,web-busters/slick,sandow-digital/slick,kolorowestudio/slick,hemusyl/slick,Duske/slick,alexuson/slick,marvinhuebner/slick,kolorowestudio/slick,cielt/slick,HellSquirrel/slick,kuslahne/slick,rsemenyshyn/slick,odie2/slick,ionut-c/slick,goranefbl/slick,neogis-de/slick,CapeSepias/slick-1,kevinrodrigues/slick,amyash/slick,madhav5589/slick