Update default cell size
Update default cell size

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