Add new sizes (#7414)
Add new sizes (#7414)

Dimensions: 320x431
Size ID: 564

Dimensions: 320x300
Size ID: 566

Dimensions: 300x150
Size ID: 568

Dimensions: 300x125
Size ID: 570

Dimensions: 250x350
Size ID: 572

Dimensions: 620x891
Size ID: 574

Dimensions: 610x877
Size ID: 576

Dimensions: 980x552
Size ID: 578

Dimensions: 505x656
Size ID: 580
ImproveDigital/Prebid.js,PWyrembak/Prebid.js,PubWise/Prebid.js,HuddledMasses/Prebid.js,gumgum/Prebid.js,HuddledMasses/Prebid.js,PubWise/Prebid.js,ImproveDigital/Prebid.js,PWyrembak/Prebid.js,prebid/Prebid.js,gumgum/Prebid.js,ImproveDigital/Prebid.js,Niksok/Prebid.js,gumgum/Prebid.js,PWyrembak/Prebid.js,Niksok/Prebid.js,PubWise/Prebid.js,prebid/Prebid.js,HuddledMasses/Prebid.js,prebid/Prebid.js,Niksok/Prebid.js