feat: change cube lighting to standard mat

src/app/niko/scene-components/sealcube.tsx

@@ -18,7 +18,12 @@ const SealCube = forwardRef<Mesh>((props, ref) => {
     return (
         <mesh ref={meshRef} position={[0, 3, 0]} castShadow receiveShadow>
             <boxGeometry args={[0.85, 0.85, 0.85]} />
-            <meshBasicMaterial map={texture} depthWrite={true} />
+            <meshStandardMaterial
+                map={texture}
+                roughness={0.4}
+                metalness={0.1}
+                envMapIntensity={1.2}
+            />
         </mesh>
     );
 });