message: Add native token decimals to network constants (needed for adding network to metamask)
diff: @@ -39,6 +39,7 @@ interface RequiredNetworkConstants {
  nativeTokenCoingeckoId: string;
  nativeTokenName: string;
  nativeTokenSymbol: string;
  + nativeTokenDecimals: number;
  subgraphURL: string;
  relayServiceURL: string;
  }
  @@ -99,6 +100,7 @@ const ethNativeTokens = {
  nativeTokenAddress: 'eth',
  nativeTokenSymbol: 'ETH',
  nativeTokenName: 'Ethereum',
  + nativeTokenDecimals: 18,
  };
  const bridgedTokens = {
  @@ -111,6 +113,7 @@ const polygonNativeTokens = {
  nativeTokenCoingeckoId: 'matic-network',
  nativeTokenSymbol: 'MATIC',
  nativeTokenName: 'Matic',
  + nativeTokenDecimals: 18,
  };
  const constants: {
  @@ -143,6 +146,7 @@ const constants: {
  nativeTokenCoingeckoId: 'xdai',
  nativeTokenSymbol: 'XDAI',
  nativeTokenName: 'xDai',
  + nativeTokenDecimals: 18,
  name: 'Gnosis Chain',
  relayServiceURL: 'https://relay.cardstack.com/api',
  subgraphURL: 'https://graph.cardstack.com/subgraphs/name/habdelra/cardpay-xdai',
  