[Build] feat: MVP Carrstret Arcade Racing 3D

## GitHub Update **Repository:** [MKWcorp/carrstret](https://github.com/MKWcorp/carrstret) **Author:** Carrstret Dev **Date:** 3/27/2026, 2:37:09 PM **Commit:** [`dce0e7c`](https://github.com/MKWcorp/carrstret/commit/dce0e7c8407e6fc570da513fd34ca7f7fe9f2f3a) ### Commit Message feat: MVP Carrstret Arcade Racing 3D - Next.js 16 + React Three Fiber + Rapier Physics - 3 mobil pilihan dengan stats berbeda (Speedster X, Bruiser GT, Phantom R) - Fisika arcade: akselerasi, rem, belok, kecepatan - Sistem lap 3 putaran dengan timer - HUD: speedometer, lap counter, best time - Kontrol keyboard (WASD/Arrow) + virtual D-pad untuk HP - Audio Manager hook (Web Audio API) - siap pasang file .mp3 - Responsive: desktop & mobile - Menu utama, car select, pause, game over screens --- _This story was imported from historical commits._