Accept x402 on Hedera

import { x402ResourceServer } from "@x402/core/server";
import { ExactHederaScheme } from "@x402/hedera/exact/server";

const server = new x402ResourceServer(facilitatorClient);

server.register(
  "hedera:*",
  new ExactHederaScheme({
    defaultAssets: {
      "hedera:testnet": { asset: "0.0.6001", decimals: 6 },
      "hedera:mainnet": { asset: "0.0.9001", decimals: 6 },
    },
  })
);