management: Create a roadmap with at least 3 milestone for the API

Look at the current project description and come up with a roadmap with milestone to guide the team to deliver timely and deploy project

https://docs.github.com/en/issues/using-labels-and-milestones-to-track-work/creating-and-editing-milestones-for-issues-and-pull-requests

https://github.com/joelparkerhenderson/milestones