evm: enhance ITransceiver interface with config getters (#458)

Author: nik-suri

evm/src/interfaces/ITransceiver.sol

@@ -37,6 +37,12 @@ interface ITransceiver {
         bytes32 recipientNttManagerAddress, bytes32 expectedRecipientNttManagerAddress
     );
 
+    /// @notice Returns the owner address of the NTT Manager that this transceiver is related to.
+    function getNttManagerOwner() external view returns (address);
+
+    /// @notice Returns the address of the token associated with this NTT deployment.
+    function getNttManagerToken() external view returns (address);
+
     /// @notice Returns the string type of the transceiver. E.g. "wormhole", "axelar", etc.
     function getTransceiverType() external view returns (string memory);