code: public function themeDefaults()
      {
  
          view()->composer("*", function ($view) {
              /* get the theme if set in config */
              $theme = config("dash.theme", null);
              /* if not theme is set in the config */
              /* check the theme folder if exist or use the theme in package*/
              if (!$theme):
                  if (view()->exists("theme.dash.index")):
                      $theme = "theme.dash.";
                  else :
                      $theme = "dash::";
                  endif;
              endif;
              view()->share('dashTheme', $theme);
  
          });
  
      }
docs: get the default theme