[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/managers/IGamesRoomManager.java

@@ -0,0 +1,18 @@
+package mage.server.managers;
+
+import mage.server.game.GamesRoom;
+
+import java.util.Optional;
+import java.util.UUID;
+
+public interface IGamesRoomManager {
+    UUID createRoom();
+
+    UUID getMainRoomId();
+
+    UUID getMainChatId();
+
+    Optional<GamesRoom> getRoom(UUID roomId);
+
+    void removeTable(UUID tableId);
+}