Merge branch '37-make-setting-in-2-create-gamemodel' into '2-create-game-model'

assets/bgMusic.mp3

assets/bgWithSettings.png

assets/bg_btn_settings.png

assets/click.wav

assets/correctBg.png

assets/offButton.png

assets/onButton.png

assets/quitGameBtn.png

assets/settingsBg1.png

core/src/com/wordbattle/game/WordBattle.java

.../com/wordbattle/game/controller/CreateGameController.java

...rc/com/wordbattle/game/controller/GamePlayController.java

...rc/com/wordbattle/game/controller/JoinGameController.java

...rc/com/wordbattle/game/controller/MainMenuController.java

...rc/com/wordbattle/game/controller/SettingsController.java

core/src/com/wordbattle/game/manager/MusicManager.java

core/src/com/wordbattle/game/manager/SoundManager.java

core/src/com/wordbattle/game/states/SettingsState.java

core/src/com/wordbattle/game/states/StateManager.java

core/src/com/wordbattle/game/view/CreateGameView.java