Method register

src/main/java/mudmap2/backend/WorldManager.java:44–48

Add world to loaded worlds list @param world

(World world)

     * @param world
     */
    public static void register(World world){
        if(!loadedWorlds.contains(world)){
            loadedWorlds.add(world);
        }
    }

    /**
     * Remove world from loaded worlds list