add dockerfile to ignore
add dockerfile to ignore

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