docs(infrahubctl): mention marketplace browsing in CLI overview

Author: iddocohen

docs/docs/infrahubctl/infrahubctl.mdx

@@ -11,6 +11,7 @@ It's meant to run on any laptop or server and it communicates with a remote Infr
 
 - Manage the branches in Infrahub: List, Create, Merge, Rebase, Delete.
 - Manage the schema and load new schema files into Infrahub.
+- Browse and download schemas and collections from the Infrahub Marketplace.
 - Execute any Python script that requires access to the Python SDK.
 - Render a Jinja Template locally for troubleshooting.
 - Execute a GraphQL query store in a Git repository for troubleshooting.