feat move debug cube with remote hand tracking

src/App.tsx

@@ -1,13 +1,15 @@
 import { Suspense } from "react";
 import { Canvas } from "@react-three/fiber";
 import { Crosshair } from "@/components/ui/Crosshair";
+import { HandTrackingOverlay } from "@/components/ui/HandTrackingOverlay";
+import { HandTrackingProvider } from "@/components/ui/HandTrackingProvider";
 import { InteractPrompt } from "@/components/ui/InteractPrompt";
 import { DebugPerf } from "@/utils/debug/DebugPerf";
 import { World } from "@/world/World";
 
 function App(): React.JSX.Element {
   return (
-    <>
+    <HandTrackingProvider>
       <Canvas camera={{ position: [85, 60, 85], fov: 42 }} shadows>
         <Suspense fallback={null}>
           <World />
@@ -16,7 +18,8 @@ function App(): React.JSX.Element {
       </Canvas>
       <Crosshair />
       <InteractPrompt />
-    </>
+      <HandTrackingOverlay />
+    </HandTrackingProvider>
   );
 }