[raymarched-volumetrics Branch] errors in Atmosphere.csproj

[luoluo39]

There are two errors in 'Atmosphere.csproj'

• For UnityEngine.PhysicsModule.dll,
  <HintPath> should be ..\KSPResources\UnityEngine.InputLegacyModule.dll
  instead of ..\..\..\..\..\Steam\steamapps\common\Kerbal Space Program\KSP_x64_Data\Managed\UnityEngine.PhysicsModule.dll

• 'RaymarchedClouds/Lightning.cs' is not included in project, <Compile Include="RaymarchedClouds\Lightning.cs" /> should be added