save to gifs, add flipped RTAA

Author: AnastaZIuk

README.md

@@ -115,6 +115,12 @@ Contact ***[@devshgraphicsprogramming](https://github.com/devshgraphicsprogrammi
 
 ![](https://github.com/Devsh-Graphics-Programming/Nabla/blob/6e4842588ef02ffb619242a08c0c037bba59c244/site_media/readme/gifs/denoisingalbedoandnormals/denoising%207.gif?raw=true)
 
+### [Raytracing flythrough](https://www.youtube.com/watch?v=bwVVoAsRjHI)
+
+![](https://github.com/Devsh-Graphics-Programming/Nabla/blob/6e4842588ef02ffb619242a08c0c037bba59c244/site_media/readme/gifs/raytracingflythrough/raytracing%202.gif?raw=true)
+
+![](https://github.com/Devsh-Graphics-Programming/Nabla/blob/6e4842588ef02ffb619242a08c0c037bba59c244/site_media/readme/gifs/raytracingflythrough/raytracing%204.gif?raw=true)
+
 ### Screenshots
 
 ##### <u>Pseudo Spectral rendering</u>