feat: Add Spear of Destiny demo support with dedicated asset registry and entity definitions

- Introduced SpearDemoAssetRegistry for managing assets specific to the Spear of Destiny demo.
- Created SpearDemoEntityModule to define enemy animations with adjusted sprite ranges.
- Implemented SpearDemoHudModule and SpearDemoMenuPicModule for HUD and menu assets.
- Added SpearDemoSfxModule for sound effect mappings specific to the demo version.
- Updated enemy classes (Guard, Mutant, Officer, SS) to support custom animation sets.
- Modified entity registry to accept a custom AssetRegistry for spawning entities.
- Enhanced rendering with CRT phosphor bloom effect in GLSL shaders.
- Adjusted ASCII and software renderer layouts for improved UI spacing.
- Added tests for SpearDemoAssetRegistry to ensure correct asset resolution and enemy spawning.

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

apps/wolf_3d_gui/lib/screens/game_screen.dart

@@ -159,6 +159,7 @@ class _GameScreenState extends State<GameScreen> {
         supportedModes: supportedModes,
         supportsAsciiThemes: true,
         supportsHardwareEffects: true,
+        supportsBloom: true,
         supportsFpsCounter: true,
       ),
       rendererSettings: const WolfRendererSettings(
@@ -298,6 +299,7 @@ class _GameScreenState extends State<GameScreen> {
         return WolfGlslRenderer(
           engine: _engine,
           effectsEnabled: settings.hardwareEffectsEnabled,
+          bloomEnabled: settings.bloomEnabled,
           onKeyEvent: _handleRendererKeyEvent,
           onUnavailable: _onGlslUnavailable,
         );