Update links in README
Update links in README

machelix/NVBnbCollectionView,e-tipalchuk/NVBnbCollectionView,gaurav1981/NVBnbCollectionView,xuanyi0627/NVBnbCollectionView,ninjaprox/NVBnbCollectionView,Pole-he/NVBnbCollectionView,mohsinalimat/NVBnbCollectionView,carabina/NVBnbCollectionView,ninjaprox/Butterfly