RWA: allowed token ERC-3643

Tokenization of real estate on an authorized SecurityToken with IdentityRegistry and Compliance. Hardhat test suite 12/12 (mint gate, KYC gate on transfer and transferFrom, identity revocation) and live dashboard over Express/ethers API on a working chain.

Own working stand GuardLabs (not a client order).
Live demo: guardlabs.online/demo/rwa/