feat: Implement ColliderCreator and ColliderInstance components, enhance PhysicsSimulator with multiple MaterialSpawner instances

app/src/modules/scene/physics/physicsSimulator.tsx

@@ -0,0 +1,28 @@
+import React from 'react'
+import MaterialSpawner from './materialSpawner'
+import ColliderCreator from './colliders/colliderCreator'
+
+function PhysicsSimulator() {
+    return (
+        <>
+            <MaterialSpawner
+                position={[0, 3, 0]}
+                spawnInterval={1000}
+                spawnCount={15}
+            />
+            <MaterialSpawner
+                position={[-21, 3, -8]}
+                spawnInterval={1000}
+                spawnCount={5}
+            />
+            <MaterialSpawner
+                position={[-17, 3, 6]}
+                spawnInterval={1000}
+                spawnCount={50}
+            />
+            <ColliderCreator />
+        </>
+    )
+}
+
+export default PhysicsSimulator