Storefront Brief issue 5: Custom Product Pages and screenshot localization — pack ASA creative before Creative Assets land

English issue: Custom Product Pages (up to 35 per app) let indie iOS teams ship localized screenshot sets and unique URLs for Apple Search Ads — separate from Product Page Optimization. Connect keyword analytics from Issue 4 help pick which CPP to build first. Creative Assets 4+ ceiling applies to CPP screenshots too. Not a fee change. Operator intel, not legal advice. Buy/Checkout:…