use COPY instead of ADD, update documentation
use COPY instead of ADD, update documentation

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