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

Description

Add the devcontainer-features collection by RiccardoBravin, which provides a Feature to install [Zensical (https://github.com/zensical/zensical) (a modern open source static site toolchain) via pipx.

Collection checklist

• Collection name: devcontainer-features
• Maintainer name: Riccardo Bravin
• Maintainer contact link: https://github.com/RiccardoBravin/devcontainer-features
• Repository URL: https://github.com/RiccardoBravin/devcontainer-features
• OCI Reference: ghcr.io/riccardobravin/devcontainer-features
• I acknowledge that this collection provides new functionality, distinct from the existing collections part of this index.