message: Add uniLink domain to network constants
diff: @@ -33,6 +33,7 @@ const SOKOL = {
  relayServiceURL: 'https://relay-staging.stack.cards/api',
  subgraphURL: 'https://graph-staging.stack.cards/subgraphs/name/habdelra/cardpay-sokol',
  tallyServiceURL: 'https://tally-service-staging.stack.cards/api/v1',
  + merchantUniLinkDomain: MERCHANT_PAYMENT_UNIVERSAL_LINK_STAGING_HOSTNAME,
  };
  const KOVAN = {
  apiBaseUrl: 'https://api-kovan.etherscan.io/api',
  @@ -81,6 +82,7 @@ const XDAI = {
  rpcWssNode: 'wss://rpc.xdaichain.com/wss',
  relayServiceURL: 'https://relay.cardstack.com/api',
  subgraphURL: 'https://graph.cardstack.com/subgraphs/name/habdelra/cardpay-xdai',
  + merchantUniLinkDomain: MERCHANT_PAYMENT_UNIVERSAL_LINK_HOSTNAME,
  };
  type ConstantKeys = keyof typeof SOKOL | keyof typeof KOVAN | keyof typeof MAINNET | keyof typeof XDAI;
  