message: add: moralis api key
diff: @@ -6,6 +6,9 @@ LEDGER_ETH_JSON_RPC_URL="http://localhost:8545"
  LEDGER_ETH_NETWORK="hardhat"
  LEDGER_EMISSION_TOKEN_CONTRACT_ADDRESS="0x610178dA211FEF7D417bC0e6FeD39F05609AD788"
  +# Moralis API_KEY
  +MORALIS_API_KEY=
  +
  # set credentials(username/password) and
  # database name to store issued tokens in postgres
  PG_USER=
  