add beginning of visualization for statistics, unmodified from blog code

src/components/World/systems/renderer.js

@@ -0,0 +1,12 @@
+import { WebGLRenderer } from "three";
+
+function createRenderer() {
+  const renderer = new WebGLRenderer({ antialias: true });
+
+  // turn on the physically correct lighting model
+  renderer.physicallyCorrectLights = true;
+
+  return renderer;
+}
+
+export { createRenderer };