Refactor code structure for improved readability and maintainability

Author: pedroth

posts/Telajs/Telajs.nd

@@ -33,6 +33,7 @@ There are many features implemented, here are a few:
 - ![3D Raster engine](/posts/Telajs/spyro_raster.mp4)
 - ![Ray Tracing](/posts/Telajs/raytrace.png)
 - ![Ray Tracing II](/posts/Telajs/glass_bunny.mp4)
+- ![Ray Tracing III](/posts/Telajs/bunny_glass.mp4)
 - ![Parser and render of SVGs](/posts/Telajs/svg.mp4)
 
 There are also some demos: