Resolve "Update dependencies, improve/fix some UI/UX"

Closes #56 (closed)

lib/ui/widgets/game/game_end.dart

@@ -49,6 +49,7 @@ class GameEndWidget extends StatelessWidget {
                                 BlocProvider.of<NavCubitPage>(context)
                                     .updateIndex(ApplicationConfig.activityPageIndexHome);
                               },
+                              color: Colors.blue,
                             ),
                     ],
                   ),