feat(nakama): use tx receipts to automatically verify p…

[jerargus]

…ersona tag creation

Closes CAR-117

• Add a personaTagVerifier struct that uses tx receipts to verify whether a persona tag registration was accepted or rejected.
• refactor the personaTagStorageObj code into a dedicated source file
• Update the making of signed payloads and the 'show-persona' endpoint to check with cardinal to see if a persona tag has been accepted or rejected. This code path won't normally be used because the personaTagVerified system will do this automatically and asynchronously.

Testing:
mage test will run persona tag creation unit tests against nakama and cardinal.

[pyrofolium]

weird I don't see this on graphite for some reason.

[pyrofolium]

A bit convoluted what's going on here but LGTM.

[pyrofolium]

The pattern here is a bit convoluted but LGTM.