Update 0.3.2.8 — Medusa Frontier Steam update #1370957

Stability & performance update for PBR materials & shader revisions. This update also contains a few small QOL adjustments and shader bugfixes that may have been left out or missed in the previous update. Additions and Changes ---------------------- *Startup window background color set to solid black. *Game over backgrond color set to solid black. *Added: Opening music during game startup. *Added: PBR materal test area near new game outpost. *Added: Second level new game outpost for demonstration. *Revised: Objects are now rendered using a test PBR formula. *Revised: Starting sun tick and location is later in the day. *Revised: Added gold and silver hovercrafts to new game outpost. *Bugfix: Missing start menu or pink screen on AMD GPU. *Bugfix: Terrain not appearing for players using AMD GPU *Bugfix: Ghost Object shader revised for simplicity.