Adds bindings to maliput::math::Vector3.

[francocipollone]

🎉 New feature

Related to #11

Summary

• Adds bindings to maliput::math::Vector3
• Info:
  • https://cxx.rs/tutorial.html#calling-a-c-function-from-rust

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.

[francocipollone]

I will proceed and merge this PR to unblock next PRs. @agalbachicar please feel free to add a 2nd review here and we can work on a follow-up PR if needed