Fuji Speedway 1968 (WilliamTRiker) overhaul and fixing 2.0

This update expands the already existing fix I released some time ago. It adds many visual things like GrassFX or night lights + a shader overhaul.



Changelog:
-made AI side lines -> fixed AI crashing into pitwall at the startline
-remade grid for Can-Am layout to fix the broken start 02 spot
-fixed wrong position display for the pitboard app by Mathias Andre
-cropped outlines
-correct sun position
-shader overhaul
-shadows for all objects
-new UI and previews
-added loading screens
-fixed hairlines over grass
-removed unnecessary cubes
-added new GrassFX and RainFX + water shader
-gates for time attack mode
-added track descriptions by Fanapryde
-added vao
-added night ligths
-upscaled a texture

This is the patch only, you need to install the original track first, get it here:
https://www.racedepartment.com/downloads/fuji-speedway-1968.15837/