Mercury layer todos

[tomt1664]

Phase 1:

Infrastructure

• Remote attestation for enclave
• Enclave initialisation and deployment logic
• Pay-on-deposit server functions in Mercury layer
• Mercury server deployment logic and DB policy

Client WASM

• WASM functions for deposit
• WASM functions for transfer-sender
• WASM functions for transfer-receiver
• WASM functions for withdraw

Wallet:

• Wallet creation and display
• Wallet support for PoD/Tokens
• Deposit
• Transfer-sender
• Transfer-receiver
• Withdraw

Phase 2:

• Swap functionality via nostr relay
• Pay-on-deposit bitcoin support