Suggeston: Bazel docs

Please consider adding documentation for interop with Bazel, in particular `bzlmod` and `gazelle`.

Thank you

No files, tests, or documentation entry points are named. Start by locating the repository's existing documentation and build-integration guidance, then check how Bazel, bzlmod, and Gazelle relate to the project. Done means discoverable documentation that accurately explains the requested Bazel interoperability.

Written by the indexing model from the issue text.