feat: sdk to return proofs if requested

[QuantumExplorer]

Issue being fixed or feature implemented

Clients might want to actually see the proof.

What was done?

In this PR we add a method to give back proofs to clients if they are requested. Clients can then print out the proof to help developers debug.

How Has This Been Tested?

Breaking Changes

Not breaking.

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have added "!" to the title and described breaking changes in the corresponding section if my code contains any
• I have made corresponding changes to the documentation if needed

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone