feat: add ambient sound

src/app/niko/page.tsx

@@ -10,6 +10,7 @@ import { folder, useControls, Leva } from 'leva';
 import SealCube from './scene-components/sealcube';
 import Terrain from './scene-components/terrain';
 import { LUTCubeLoader } from 'three/examples/jsm/Addons.js';
+import { AmbientSound } from './scene-components/ambient-sound';
 
 function Loader() {
   const { progress, active } = useProgress();
@@ -147,6 +148,9 @@ export default function Seal() {
         gl={{ antialias: true }}
         className='canvas'
       >
+        <AmbientSound url="niko/snd/wind.mp3" volume={0.4}/>
+        <AmbientSound url="niko/snd/birds.mp3" volume={0.1}/>
+
         <Scene />
         <PostProcessing />