Add Sutro tower SOGS example (#111)

* Add Sutro tower SOGS example

- Reset to default settings
- Add to main index

* Remove spark renderer

* Update example title

---------

Co-authored-by: 61cygni <>
Co-authored-by: Diego Marcos <diego.marcos@gmail.com>

examples/sogs/index.html

@@ -36,14 +36,6 @@
     renderer.setSize(window.innerWidth, window.innerHeight);
     document.body.appendChild(renderer.domElement);
 
-    const spark = new SparkRenderer({
-      renderer,
-      preBlurAmount: 0.0,
-      blurAmount: 0.3,
-    });
-
-    scene.add(spark);
-
     const splatURL = await getAssetFileURL("sutro.zip");
     const sutroTower = new SplatMesh({ url: splatURL });
     sutroTower.quaternion.set(1, 0, 0, 0);