update for build 0.9.8 — City-Racing Steam update #494056

🏁 CRRaceManager.cs - The Core Race SystemPurpose: Persistent singleton that manages race progression across multiple scenesKey Features:• Singleton Pattern: Persists between scene loads using DontDestroyOnLoad• Race Countdown System: 5-4-3-2-1-GO countdown with car control management• Position Tracking: Tracks racer positions across multiple races for championship standings• Save/Load System: JSON-based persistence for continuing races after game restart• Car Control: Manages when cars can/cannot move during countdown and positioningCritical Components:Major Fixes We Implemented:1. Immediate Car Disabling: Cars are disabled immediately on scene load to prevent movement before countdown2. Enhanced Position Recovery: Multiple fallback strategies for loading positions when save data is corrupted3. Force Save System: Positions are saved immediately after each race to ensure persistence4. Bet...