### Description
This PR updates `README.md` and adds `README.md` files for all roles
### Related Issue
Closes#12
### Testing Done
- [x] Verified docs match current state of repo and roles
### Checklist
- [x] My code follows the project's style guidelines.
- [x] I have performed a self-review of my own code.
- [x] I have updated the documentation (if necessary).
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Co-authored-by: Jordan Del Pilar <[email protected]>
Reviewed-on: #14
