[ADD] added hosting a lobby

Server/Models/ServerClient.cs

@@ -1,4 +1,5 @@
 
+using Client;
 using SharedClientServer;
 using System;
 using System.Collections.Generic;
@@ -129,6 +130,12 @@ namespace Server.Models
                             Debug.WriteLine("[SERVERCLIENT] got lobby request message, sending lobbies...");
                             sendMessage(JSONConvert.ConstructLobbyListMessage(ServerCommunication.INSTANCE.lobbies.ToArray()));
                             break;
+                        case LobbyIdentifier.HOST:
+                            // add new lobby and add this serverclient to it
+                            Lobby created = ServerCommunication.INSTANCE.HostForLobby(this.User);
+                            Debug.WriteLine("[SERVERCLIENT] created lobby");
+                            sendMessage(JSONConvert.ConstructLobbyHostCreatedMessage(created));
+                            break;
                     }
                     break;
                 case JSONConvert.CANVAS:

Server/Models/ServerCommunication.cs

@@ -148,5 +148,14 @@ namespace Server.Models
                 }
             }
         }
+
+        public Lobby HostForLobby(User user)
+        {
+            Lobby lobby = new Lobby( lobbies.Count + 1,0, 8);
+            lobbies.Add(lobby);
+            serverClientsInlobbies.Add(lobby, new List<ServerClient>());
+            AddToLobby(lobby, user);
+            return lobby;
+        }
     }
 }