Add app shell, HomeScreen, PulseButton and UI components with feature placeholders#3

ZBZFirst wants to merge 1 commit intomasterZBZFirst/AndroidAppScaffold1:masterfrom

codex/set-up-jetpack-compose-project-structure-125lgcZBZFirst/AndroidAppScaffold1:codex/set-up-jetpack-compose-project-structure-125lgcCopy head branch name to clipboard