feat(core): Enhance scrolling capabilities by integrating Scroller class and adding lenis support

ts/domtools.classes.domtools.ts

@@ -93,9 +93,7 @@ export class DomTools {
   };
 
   public deesComms = new plugins.deesComms.DeesComms();
-  public scroller = new plugins.SweetScroll({
-    /* some options */
-  }); // TODO: switch to scroller class
+  public scroller = new Scroller(this);
   public themeManager = new ThemeManager(this);
   public keyboard = new Keyboard(document.body);