Add NuGet package tools

tools/nuget/CSFML/CSFML.csproj

@@ -0,0 +1,39 @@
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard1.0</TargetFramework>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+
+    <!-- Workaround to remove the NETStandard.Library NuGet reference without breaking everything -->
+    <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
+
+    <Version>2.5.0</Version>
+    <Authors>Laurent Gomila</Authors>
+    <PackageTags>sfml csfml</PackageTags>
+    <Copyright>Copyright © Laurent Gomila</Copyright>
+
+    <PackageLicenseExpression>Zlib</PackageLicenseExpression>
+    <PackageProjectUrl>https://www.sfml-dev.org/</PackageProjectUrl>
+    <PackageIconUrl>https://www.sfml-dev.org/images/sfml-icon.png</PackageIconUrl>
+
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeBuildOutput>false</IncludeBuildOutput>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-18618-05" PrivateAssets="all" />
+
+    <!-- Workaround to remove the NETStandard.Library NuGet reference without breaking everything -->
+    <PackageReference Include="NETStandard.Library" Version="[1.6.0,)" PrivateAssets="all" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <Description>This package contains the native libraries for the C port of SFML, used as a dependency for SFML.Net</Description>
+    <Title>CSFML</Title>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Pack="True" Include="runtimes/**" PackagePath="runtimes" />
+  </ItemGroup>
+
+</Project>