(GH-135) Add net48 target moniker

* fixes #135

Author: devlead

src/LitJson/LitJSON.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.1;netstandard2.0;net45;netstandard1.5;net40;net35;net20;net6.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.1;netstandard2.0;net45;net48;netstandard1.5;net40;net35;net20;net6.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -20,7 +20,7 @@
 
   <PropertyGroup>
     <PackageId>LitJson</PackageId>
-    <Description>A .Net library to handle conversions from and to JSON (JavaScript Object Notation) strings. Written in C#, and it’s intended to be small, fast and easy to use.
+    <Description>A .NET library to handle conversions from and to JSON (JavaScript Object Notation) strings. Written in C#, and it’s intended to be small, fast and easy to use.
 It's quick and lean, without external dependencies.</Description>
     <Copyright>The authors disclaim copyright to this source code.</Copyright>
     <Authors>Leonardo Boshell, Mattias Karlsson and contributors</Authors>
@@ -39,12 +39,10 @@ It's quick and lean, without external dependencies.</Description>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net20' ">
     <DefineConstants>$(DefineConstants);LEGACY</DefineConstants>
-    <FrameworkPathOverride Condition="'$(TargetFramework)' == 'net20' and '$(OS)' == 'Windows_NT'">C:\Windows\Microsoft.NET\Framework\v2.0.50727</FrameworkPathOverride>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net35' ">
     <DefineConstants>$(DefineConstants);LEGACY</DefineConstants>
-    <FrameworkPathOverride Condition="'$(TargetFramework)' == 'net35' and '$(OS)' == 'Windows_NT'">C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v3.5\Profile\Client</FrameworkPathOverride>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net40' ">
@@ -58,4 +56,27 @@ It's quick and lean, without external dependencies.</Description>
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.1.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net20" Version="1.0.3" Condition="'$(TargetFramework)' == 'net20' ">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net35" Version="1.0.3" Condition="'$(TargetFramework)' == 'net35' ">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net40" Version="1.0.3" Condition="'$(TargetFramework)' == 'net40' ">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net45" Version="1.0.3" Condition="'$(TargetFramework)' == 'net45' ">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies.net48" Version="1.0.3" Condition="'$(TargetFramework)' == 'net48' ">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
 </Project>