[app-wiring-refactor]: Remove static initialisation

- Remove all enum static managers
- Introduce interfaces for the managers
- Define new application wiring class (`ManagerFactory`)
- Externalise the configuration

Mage.Server/src/main/java/mage/server/game/GamesRoomManager.java

@@ -1,5 +1,7 @@
 package mage.server.game;
 
+import mage.server.managers.IGamesRoomManager;
+import mage.server.managers.ManagerFactory;
 import org.apache.log4j.Logger;
 
 import java.util.Optional;
@@ -9,36 +11,44 @@ import java.util.concurrent.ConcurrentHashMap;
 /**
  * @author BetaSteward_at_googlemail.com
  */
-public enum GamesRoomManager {
-    instance;
+public class GamesRoomManager implements IGamesRoomManager {
 
+    private final ManagerFactory managerFactory;
     private final ConcurrentHashMap<UUID, GamesRoom> rooms = new ConcurrentHashMap<>();
-    private final UUID mainRoomId;
-    private final UUID mainChatId;
+    private UUID mainRoomId;
+    private UUID mainChatId;
     private static final Logger logger = Logger.getLogger(GamesRoomManager.class);
 
 
-    GamesRoomManager() {
-        GamesRoom mainRoom = new GamesRoomImpl();
+    public GamesRoomManager(ManagerFactory managerFactory) {
+        this.managerFactory = managerFactory;
+    }
+
+    public void init() {
+        GamesRoom mainRoom = new GamesRoomImpl(managerFactory);
         mainRoomId = mainRoom.getRoomId();
         mainChatId = mainRoom.getChatId();
         rooms.put(mainRoomId, mainRoom);
     }
 
+    @Override
     public UUID createRoom() {
-        GamesRoom room = new GamesRoomImpl();
+        GamesRoom room = new GamesRoomImpl(managerFactory);
         rooms.put(room.getRoomId(), room);
         return room.getRoomId();
     }
 
+    @Override
     public UUID getMainRoomId() {
         return mainRoomId;
     }
 
+    @Override
     public UUID getMainChatId() {
         return mainChatId;
     }
 
+    @Override
     public Optional<GamesRoom> getRoom(UUID roomId) {
         if (rooms.containsKey(roomId)) {
             return Optional.of(rooms.get(roomId));
@@ -48,6 +58,7 @@ public enum GamesRoomManager {
 
     }
 
+    @Override
     public void removeTable(UUID tableId) {
         for (GamesRoom room : rooms.values()) {
             room.removeTable(tableId);