Adds LaneSRoute bindings.

[francocipollone]

🎉 New feature

Related to:

• https://github.com/maliput/maliput-rs/issues/28
• https://github.com/maliput/maliput-rs/issues/17

Summary

• LaneSRoute bindings

Checklist

• [x] Signed all commits for DCO
• [x] Added tests
• [ ] Added example and/or tutorial
• [ ] Updated documentation (as needed)
• [ ] Updated migration guide (as needed)
• [ ] Consider updating Python bindings (if it affects the public API)

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.