suchith's changes (#2)

Feature: Simplify lobby home screen to a minimal clean layout

Fix: Clone materials on agent death to prevent transparency bugs on other agents

Feature: Enhance 3D attack/heal animations and apply loot pool modifications

Feature: Refactor model loading to 'Load Model' in game control panel and remove LLM subtitle text

Feature: Add Warm LLM button to pre-warm Modal inference container

Update: Change default bot names to cyberpunk handles

updates

updates

Initial commit: Grid Royale game backend and frontend.