Main menu and save function to json file implemented.

tilorswift/js/events/TilorswiftEvent.js

@@ -2,6 +2,8 @@ const TilorswiftEvent = {
     FIELD_CLICKED: 'fieldClicked',
     FIELD_ENTERED: 'fieldEntered',
     BUTTON_TILE_CLICKED: 'buttonTileClicked',
+    MENU_SAVE_CLICKED: 'menuSaveClicked',
+    SAVED: 'saved',
 };
 
 export default TilorswiftEvent;