3D Sky Depth Fixes, Path-Traced Skyboxes Introduction

Enable path-tracing of the skybox instances. Since we can not path-trace more than one camera, moving the instances to the main camera was the route taken.

#73

src/dxvk/imgui/dxvk_imgui_about.cpp

@@ -99,6 +99,7 @@ namespace dxvk {
           "Friedrich 'pixelcluster' Vock",
           "Dayton 'watbulb'",
           "Ethan 'Xenthio' Cardwell",
+          "David 'King David' Wiltos",
       }},
       { "Engineering",
         { "Riley Alston",