v0.2.0

• Improved support for asset types
  • Surface
  • Decal
  • Atlas
• Material improvements & fixes
  • Handle opacity
  • Handle metalness
  • Handle transmission (translucency)
  • Enable backface for transparent materials (excluding decals/atlases)
  • Use vr_complex.vfx or vr_projected_decals.vfx based on asset type
• Don't create a vmdl if exported asset has no geometry