First time momma, what are your necessecity baby items?

Josie • Cosmetologist ✂ Nature lover🌲🌻 NLB♡ Matix Roy💙Sienna Colleen🌸 & baby due May 20th
Im a first time mom and creating a registry for a shower, if previous mommas could post what they thought was a MUST HAVE for a newborn that would be so nice! I literally know nothing about babies.