Adds scene management system with GameObjects and Components.
Improves asset loading by scanning assets in a background thread and queuing textures for upload. Also displays a progress bar in the file browser for texture loading.
Adds basic component system with TagComponent to identify GameObjects
by a user defined name.
Adds background asset scanning and loading to improve editor responsiveness.
Updates the file browser with grid and list views, filtering, and callbacks for file selection.
Fixes an issue where the asset manager would block the main thread during asset loading.