Update useful_command_links.md
Update useful_command_links.md
jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi,jeonghoonkang/BerePi