Initial Meridian Protocol implementation

- Complete MeridianToken standard with compliance & reserve checks
- Multi-custodian ReserveAggregator supporting bank/crypto/fund admin
- Comprehensive Compliance engine with KYC/AML/sanctions
- Full interface definitions and deployment scripts
- Test suite for core functionality
- Ready for GBP launch with Anchorage custody integration

.env.example

@@ -0,0 +1,20 @@
+# Private key for deployment (without 0x prefix)
+PRIVATE_KEY=your_private_key_here
+
+# Infura API key for Ethereum networks
+INFURA_API_KEY=your_infura_api_key
+
+# Etherscan API key for contract verification
+ETHERSCAN_API_KEY=your_etherscan_api_key
+
+# Reserve custodian API endpoints
+ANCHORAGE_API_URL=https://api.anchorage.com
+ANCHORAGE_API_KEY=your_anchorage_api_key
+
+# Compliance data sources
+CHAINALYSIS_API_KEY=your_chainalysis_api_key
+ELLIPTIC_API_KEY=your_elliptic_api_key
+
+# IPFS settings for document attestation
+PINATA_API_KEY=your_pinata_api_key
+PINATA_SECRET_KEY=your_pinata_secret