Add builds section.

This PR adds a new top level section for builds.

Screenshots:

https://www.monosnap.com/image/wcNlBoUV2qStyFSSncjV9zx5e https://www.monosnap.com/image/zB0CtASkK6Xlt33GW6v4Cd3mG
https://www.monosnap.com/image/QJli0hob0aZLl5OX4kQngZu8Y https://www.monosnap.com/image/sSO5aQovlRtBNdr4x5xKfpChi