Added readme to nuspec and in package

Author: angalbiati

DbcParserLib/DbcParserLib.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
 	  <OutputType>Library</OutputType>
@@ -14,6 +14,10 @@
     <PackageReleaseNotes></PackageReleaseNotes>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Version>1.7.0</Version>
-  </PropertyGroup>
+    <PackageReleaseNotes>README.md</PackageReleaseNotes>
+  </PropertyGroup> 
 
+  <ItemGroup>
+    <None Include="..\README.md" Pack="true" PackagePath="\"/>
+  </ItemGroup>
 </Project>