either complete nftattestation (by adding solidity code and integration test) or remove nft attestation

[SmartLayer]

if complete it:

• adding solidity code and integration test
• back reference it from alchemyNFT project (remove VerifyAttestation.sol from there)

If remove

• this should be gone

https://github.com/TokenScript/attestation/tree/main/src/main/java/io/alchemynft/attestation