786ba4b450
- Introduced SoftwareRenderer as a pixel-accurate software rendering backend. - Removed the obsolete wolf_3d_rasterizer.dart file. - Created a new wolf_3d_renderer.dart file to centralize rendering exports. - Updated tests to accommodate the new rendering structure, including pushwall and projection sampling tests. - Modified the WolfAsciiRenderer and WolfFlutterRenderer to utilize the new SoftwareRenderer. - Enhanced enemy spawn tests to include new enemy states. Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>