creation des clesses

...rk/messages.clientToServer/AddNewUserToServerMessage.java

...k/messages.clientToServer/ChatMessageToServerMessage.java

.../messages.clientToServer/DisconnectionRequestMessage.java

...twork/messages.clientToServer/GameSaveRequestMessage.java

...twork/messages.clientToServer/GetPlayerByUUIDMessage.java

...ork/messages.clientToServer/JoinRequestAnswerMessage.java

...rk/messages.clientToServer/MoveToSendToServerMessage.java

...twork/messages.clientToServer/NewGameToServerMessage.java

.../messages.clientToServer/SpectatorToAddServerMessage.java

...k/messages.serverToClient/ChatMessageToClientMessage.java

...work/messages.serverToClient/DisconnectedUserMessage.java

...messages.serverToClient/EndGameSignalToClientMessage.java

...rver/network/messages.serverToClient/GameSaveMessage.java

...r/network/messages.serverToClient/JoinRequestMessage.java

...messages.serverToClient/MoveToForwardToClientMessage.java

...es.serverToClient/NewGameNotificationToClientMessage.java

.../network/messages.serverToClient/NewUserAddedMessage.java

...messages.serverToClient/PlayerProfileReceivedMessage.java

.../messages.serverToClient/SpectatorToAddClientMessage.java