Checkpoint system, water and game size updates — Jet Rush Steam update #902702

New checkpoint system. This adds a massive quality of life to the way tracks are designed. All systems that are found along the track are attached to the track. This results in a much cleaner, accurate and consistent race. This also allows us to create prototypes much quicker. The moving pyramid hazard now has 8 different patterns that are sure to screw up your race ;) Boat performance has been tweaked. The boat no longer rotates and twitches. Checkpoints have been widened in 95% of all maps to allow the player to have more freedom when determining their race line. Furthering the effort to improve performance on slower machines including the Steam Deck, all maps have more performant landscapes. The result is no change in visuals but a MASSIVE drop in file sizes. Faster loading too. 80% of all textures and shaders have been converted to Virtual Textures. This will help with devices that d...