Added List of ClientHandlers to represent who is in the lobby, aka the players.

src/main/java/ch/unibas/dmi/dbis/cs108/sebaschi/Lobby.java

@@ -1,6 +1,7 @@
 package ch.unibas.dmi.dbis.cs108.sebaschi;
 
 import ch.unibas.dmi.dbis.cs108.multiplayer.server.ClientHandler;
+import java.util.List;
 
 /**
  * The Lobby one is in after a client sends the CRTGM command. THe Server
@@ -11,6 +12,11 @@ public class Lobby {
    * The Person who created the game and can configure it and decide to start once enough players
    * have entered the lobby.
    */
-  ClientHandler admin;
+  private ClientHandler admin;
+
+  /**
+   * Everyone who's in the lobby.
+   */
+  private List<ClientHandler> players;
 
 }