message: Add sample for getblock.io as alternative to Moralis
diff: @@ -9,6 +9,8 @@ TOKEN_QUERY_PORT=8000
  LEDGER_ETH_JSON_RPC_URL="http://localhost:8545"
  # For network supporting MORALIS (like bsc) for event subscription set this and replace the {API_KEY} with MORALIS API KEY
  LEDGER_ETH_WS_URL="wss://speedy-nodes-nyc.moralis.io/{API_KEY}/bsc/testnet/ws"
  +# alternative to MORALIS
  +#LEDGER_ETH_WS_URL="wss://bsc.getblock.io/testnet/?api_key={API_KEY}"
  LEDGER_ETH_NETWORK="hardhat"
  LEDGER_EMISSION_TOKEN_CONTRACT_ADDRESS="0x610178dA211FEF7D417bC0e6FeD39F05609AD788"
  # the block from which to start fetching events, you'd want to get the contract creation block from a blockchain explorer
  