Change common project props

Author: Keelhauled

src/BuildSettings.Common.props

@@ -7,13 +7,17 @@
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
     <OutputPath>$(SolutionDir)bin\$(Configuration)</OutputPath>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-  </PropertyGroup>
-  <PropertyGroup>
     <Company>https://github.com/IllusionMods/KeelPlugins</Company>
     <Copyright>GPL-3.0 license, 2019</Copyright>
+    <LangVersion>preview</LangVersion>
+    <Deterministic>true</Deterministic>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Unity.Analyzers" Version="1.18" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="$(SolutionDir)\LICENSE" Link="LICENSE" Visible="false" CopyToOutputDirectory="PreserveNewest"/>
+    <None Include="$(SolutionDir)\README.md" Link="README.md" Visible="false" CopyToOutputDirectory="PreserveNewest"/>
+  </ItemGroup>
   <Import Project="SkipAllRefs.targets" />
 </Project>