* for iOS: update launch screen to match UI
* use higher resolution invader
* adjust Y constraint (diff invader body proportion)
* for iOS: update Launch Screen to match app icon/ui
* update iOS icon—match shadow on other platforms
* icon source svgs to media folder for others’ reuse
* iOS App Icon revision, fix asset index mismatch
Replaced many blurry app icons, instead using icons from higher resolution sources.
Revised iOS app icon color & spacing slightly, attempting to match the pattern used in the recent Android and Switch versions of RetroArch.
Steve Cox