add lornd-uv to collections

[LDlornd]

What type of PR is this?

• 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

None

Description

add lornd-uv to collections

Collection checklist

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

• Collection name: lornd-uv
• Maintainer name: lornd
• Maintainer contact link: https://github.com/LDlornd/uv-dev-container/issues
• Repository URL: https://github.com/LDlornd/uv-dev-container
• OCI Reference: ghcr.io/LDlornd/uv-dev-container/lornd-uv
• I acknowledge that this collection provides new functionality, distinct from the existing collections part of this index.