evm: add author tags

Author: Rahul Maganti

evm/src/NttManager/NttManager.sol

@@ -18,6 +18,7 @@ import "../interfaces/ITransceiver.sol";
 import {NttManagerState} from "./NttManagerState.sol";
 
 /// @title NttManager
+/// @author Wormhole Project Contributors.
 /// @notice The NttManager contract is responsible for managing the token
 ///         and associated transceivers.
 ///

evm/src/Transceiver/Transceiver.sol

@@ -12,6 +12,7 @@ import "../interfaces/INttManager.sol";
 import "../interfaces/ITransceiver.sol";
 
 /// @title Transceiver
+/// @author Wormhole Project Contributors.
 /// @notice This contract is a base contract for Transceivers.
 /// @dev The Transceiver provides basic functionality for transmitting / receiving NTT messages.
 ///      The contract supports pausing via an admin or owner and is upgradable.