Add NuGet package info to Box2D.NET.csproj

Box2D.NET/Box2D.NET.csproj

@@ -1,12 +1,37 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFrameworks>netstandard2.1;net6.0;net7.0</TargetFrameworks>
         <Nullable>enable</Nullable>
     </PropertyGroup>
+
+    <PropertyGroup>
+        <IsPackable>true</IsPackable>
+        <IncludeContentInPack>true</IncludeContentInPack>
+
+        <Version>0.0.1</Version>
+        <Title Condition="'$(Configuration)' == 'Debug'">Box2D.NET.Debug</Title>
+        <Title Condition="'$(Configuration)' == 'Release'">Box2D.NET.Release</Title>
+        <Authors>BeanCheeseBurrito</Authors>
+        <Copyright>BeanCheeseBurrito</Copyright>
+        <Description>Raw C# bindings for Box2D 3.0</Description>
+        <PackageId>$(Title)</PackageId>
+        <PackageProjectUrl>https://github.com/BeanCheeseBurrito/Box2D.NET</PackageProjectUrl>
+        <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
+        <PackageLicenseExpression>MIT</PackageLicenseExpression>
+        <RepositoryUrl>https://github.com/BeanCheeseBurrito/Box2D.NET</RepositoryUrl>
+        <RepositoryType>Github</RepositoryType>
+
+        <DebugType>portable</DebugType>
+        <IncludeSymbols>true</IncludeSymbols>
+        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+        <PublishRepositoryUrl>true</PublishRepositoryUrl>
+        <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    </PropertyGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\Box2D.NET.Bindings\Box2D.NET.Bindings.csproj" />
+        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All"/>
+        <ProjectReference Include="..\Box2D.NET.Bindings\Box2D.NET.Bindings.csproj"/>
     </ItemGroup>
 
 </Project>