chore: Setup shared postman

[mitch-vrrb]

Describe the chore that is required

A shared repository of the project's RPC testing tools would be an excellent thing to have. We seem to have all developed these in parallel and could have increased efficiency if the team could point to a central shared collection.

Describe the solution you'd like to see

Postman

Additional information

No response

[mikehostetler]

New repo set up here: https://github.com/versatus/versatus_postman

Please let me know if you need anything else before we close this ticket