feat: chat
it just static now
at path: \src\Aiursoft.ChessServer\Views\Shared\Components\Chat\Default.cshtml
line 73, mockMessage(), is a Mock function, if you going to use your own API, replace it.
line 30, sendNewMessage(), it has not real send message to opponent, write your logic at line 37.
line 59, appendOpponentNewMessage(), it will display the message of opponent, you should call this function if current player received the message from opponent