Added Arch Linux links to README
Added Arch Linux links to README

bollu/stack,adinapoli/stack,supermario/stack,ant1441/stack,meiersi-11ce/stack,kairuku/stack,GaloisInc/stack,AndreasPK/stack,bixuanzju/stack,mathhun/stack,deech/stack,akhileshs/stack,lukexi/stack,mathhun/stack,GaloisInc/stack,deech/stack,fizruk/stack,mietek/stack,adinapoli/stack,rvion/stack,vigoo/stack,rekka/stack,narrative/stack,achernyak/stack,duplode/stack,markus1189/stack,Blaisorblade/stack,CRogers/stack,cocreature/stack,Andrew-the-Ubergeek/stack,joozek78/stack,Fuuzetsu/stack,Andrew-the-Ubergeek/stack,Denommus/stack,tedkornish/stack,rubik/stack,mrkkrp/stack,keent/stack,athanclark/stack,duplode/stack,AndrewRademacher/stack,narrative/stack,AndrewRademacher/stack,MaxGabriel/stack,wskplho/stack,hesselink/stack,sinelaw/stack,martin-kolinek/stack,harendra-kumar/stack,chadbrewbaker/stack,chreekat/stack,phadej/stack,MaxGabriel/stack,keent/stack,sjakobi/stack,chreekat/stack,vigoo/stack,soenkehahn/stack,tedkornish/stack,agrafix/stack,mrkkrp/stack,luigy/stack,supermario/stack,Denommus/stack,phadej/stack,rrnewton/stack,kairuku/stack,rrnewton/stack,Blaisorblade/stack,chadbrewbaker/stack,Heather/stack,rekka/stack,MichielDerhaeg/stack,Fuuzetsu/stack,cocreature/stack,anton-dessiatov/stack,wolftune/stack,joozek78/stack,AndreasPK/stack,cabrera/stack,akhileshs/stack,robstewart57/stack,markus1189/stack,wskplho/stack,meiersi-11ce/stack,DanielG/stack,fizruk/stack,k-bx/stack,lukexi/stack,anton-dessiatov/stack,rvion/stack,sjakobi/stack,DanielG/stack,CRogers/stack,soenkehahn/stack,luigy/stack,achernyak/stack,sinelaw/stack,k-bx/stack,bixuanzju/stack,ant1441/stack,athanclark/stack,cabrera/stack,MichielDerhaeg/stack,robstewart57/stack,martin-kolinek/stack,rubik/stack,agrafix/stack,bollu/stack,juhp/stack,juhp/stack,harendra-kumar/stack,Heather/stack,wolftune/stack