Add selectable webcam layout presets (Picture in Picture, Vertical Stack)#241

siddharthvaddem merged 5 commits intosiddharthvaddem:mainsiddharthvaddem/openscreen:mainfrom

marcusschiesser:codex/add-multiple-layout-presets-for-videomarcusschiesser/openscreen:codex/add-multiple-layout-presets-for-videoCopy head branch name to clipboard