code: function _createLayout() {
          this.container = new ContainerSurface(
              this.options.container
          );
          this.container.setClasses(this.classes);
          this.layout = new LayoutController({
              layout: ProportionalLayout,
              layoutOptions: {
                  ratios: []
              },
              direction: Utility.Direction.X
          });
          this.container.add(this.layout);
          this.add(this.container);
      }
docs: Sets up the overal layout