Update collection-index.yml

[raine-works]

What type of PR is this?

• [ x] Add a new dev container collection
• Update to an existing dev container collection
• Documentation/spec update
• Other containers.dev site update (UX, layout, etc)

Related Issues

• Related Issue #
• Closes #

Description

Please replace this line with a description of your PR.

Collection checklist

If your PR contributes a new collection, please utilize this checklist:

• [x ] Collection name
• [ x] Maintainer name
• [x ] Maintainer contact link (i.e. link to a GitHub repo, email)
• [x ] Repository URL
• [ x] OCI Reference
• [ x] I acknowledge that this collection provides new functionality, distinct from the existing collections part of this index.

[raine-works]

Is there anything else I need to do for this?