Added target for net 2.0

Author: sacOO7

ScClient/ScClient.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp1.0;netcoreapp1.1;netcoreapp2.0;netstandard1.3;netstandard1.6;netstandard2.0;net35;net45;net46;net40</TargetFrameworks>
+    <TargetFrameworks>netcoreapp1.0;netcoreapp1.1;netcoreapp2.0;netstandard1.3;netstandard1.6;netstandard2.0;net20;net35;net45;net46;net40</TargetFrameworks>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <Authors>Sachin Shinde [https://github.com/sacOO7]</Authors>