Hosts documentation for the cargo packages.

[francocipollone]

🎉 New feature

Related to #57

Summary

Host documentation on github.io

Checklist

• [x] Signed all commits for DCO
• [ ] 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)

[francocipollone]

Reminder to myself

• [x] Once it is done testing remove francocipollone/gh-pages branch from github-pages environment

[francocipollone]

This is the deployed github pages: https://maliput.github.io/maliput-rs/

[francocipollone]

Note this commment: https://github.com/maliput/maliput-rs/issues/57#issuecomment-2073302790 on why this online doc is still necessary and the easiest step to get online docs