add Aarsht

[knmcguire]

Add Project

• What is this tool?
• Why should this tool be maintained by the Working Group?

In your changes, you have added a list item to "Subprojects" in README.md, following this format:

* PROJECT_NAME
  * Description: One sentence description of the project being added.
  * Repositories
    * One or more repositories that are in this project as full links, e.g.
    * https://github.com/ros-tooling/cross_compile

Modify Project

• What modification is being made to a Working Group Subproject?
• Why?

In your changes, you have modified the relevant "Subprojects" section list item in README.md.

Deprecate Project

• Which Subproject are we removing from the scope of the Working Group?
• Why?

In your changes, you have removed the relevant "Subprojects" section list item in README.md.

Modify Governance Model

In your changes, you have modified README.md with the proposed governance model update.
Explain the reasoning around the change here.