Fixed nuspec with correct paths for the assemblies in the various frameworks (#2)

Author: KlausVcb

nanoFramework.Protobuf.nuspec

@@ -16,8 +16,7 @@
     <repository type="git" url="https://github.com/nanoframework/nanoFramework.Protobuf" commit="$commit$" />
     <copyright>Copyright (c) .NET Foundation and Contributors</copyright>
     <description>This library allows to serialize and deserialize object graphs in nanoFramework and netstandard 2.0.
-	It hence allows to serialize data on nanoFramework and deserialize it in any other .Net platform or the other way around
-	while providing high performance and the smallest possible payload.
+It hence allows to serialize data on .NET nanoFramework and deserialize it in any other .NET platform (or the other way around) while providing high performance and the smallest possible payload.
 </description>
     <tags>proto protobuf net netmf nf nanoframework</tags>
     <dependencies>
@@ -33,8 +32,8 @@
     </dependencies>
   </metadata>
   <files>
-    <file src="nanoFramework.Protobuf\bin\Release\nanoFramework.Protobuf.*" target="lib/netmf" />
-    <file src="nanoFramework.Protobuf.Net\bin\Release\nanoFramework.Protobuf.*" target="lib/netstandard[2.0]" />
+    <file src="nanoFramework.Protobuf\bin\Release\nanoFramework.Protobuf.*" target="lib/netnano" />
+    <file src="nanoFramework.Protobuf.Net\bin\Release\netstandard2.0\nanoFramework.Protobuf.*" target="lib/netstandard2.0" />
     <file src="assets\readme.txt" target="" />
     <file src="README.md" target="docs\" />
     <file src="assets\nf-logo.png" target="images" />