Update for nuget new rules

ZeroLevel/README.md

@@ -0,0 +1,6 @@
+The package contains a set of services, collections and data structures designed for quick creation of applications.
+Examples of services:
+- logging
+- settings
+- task scheduling
+- serialization

ZeroLevel/ZeroLevel.csproj

@@ -18,6 +18,7 @@
 		<PackageIcon>v3.png</PackageIcon>
 		<RepositoryUrl>https://github.com/ogoun/Zero</RepositoryUrl>
 		<RepositoryType>git</RepositoryType>
+		<PackageReadmeFile>README.md</PackageReadmeFile>
 	</PropertyGroup>
 
 	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
@@ -28,6 +29,10 @@
 	  <NoWarn>1701;1702;8618</NoWarn>
 	</PropertyGroup>
 
+	<PropertyGroup>
+		<PackageLicenseExpression>MIT</PackageLicenseExpression>
+	</PropertyGroup>
+
 	<ItemGroup>
 	  <Content Include="v3.ico" />
 	</ItemGroup>
@@ -37,6 +42,10 @@
 	</ItemGroup>
 
 	<ItemGroup>
+	  <None Update="README.md">
+	    <Pack>True</Pack>
+	    <PackagePath>\</PackagePath>
+	  </None>
 	  <None Update="v3.png">
 	    <Pack>True</Pack>
 	    <PackagePath>\</PackagePath>