There are a few items that a Montessori baby's work space should include. Read them though and take your pick according to your ideals.
Infant Program - Montessori of Alameda
How to Prepare Montessori Homeschool Spaces for Babies through First Graders - Living Montessori Now
Supporting Concentration in Montessori – Montessori Mother ELC
8 Tips to Create a Montessori Bedroom
Montessori in Small Spaces - Suggestions and Ideas - how we montessori
Montessori Mothering
Doing Montessori at home with your baby (newborn - 3 mo) - Montessori Nature Printables
How to Montessori your entryway
Montessori, Marie Kondo and Minimalism - The Montessori Notebook
Montessori Nursery Ideas – Happiest Baby
A Montessori Approach to Clean-up Time — Montessori in Real Life
