[Feat] Command 제작

[42sungwook]

Ref. https://ui.shadcn.com/docs/components/command

Command,
CommandEmpty,
CommandGroup,
CommandInput,
CommandItem,
CommandList,
CommandSeparator,
CommandShortcut,

등등 Command 관련 ui-kit제작

Spotlight -> Command 사용하는 방식으로 refactor