Fixed license info

Author: OssianEPPlus

src/EPPlus/EPPlus.csproj

@@ -7,9 +7,7 @@
 		<GeneratePackageOnBuild>true</GeneratePackageOnBuild>
 		<PackageProjectUrl>https://epplussoftware.com</PackageProjectUrl>
 		<Authors>EPPlus Software AB</Authors>
-		<PropertyGroup>
-			<PackageLicenseFile>license.md</PackageLicenseFile>
-		</PropertyGroup>
+		<PackageLicenseFile>license.md</PackageLicenseFile>
 		<Company>EPPlus Software AB</Company>
 		<Product>EPPlus</Product>
 		<Description>A spreadsheet library for .NET framework and .NET core</Description>
@@ -633,6 +631,10 @@
 		<ProjectReference Include="..\EPPlus.Interfaces\EPPlus.Interfaces.csproj" />
 	</ItemGroup>
 
+	<ItemGroup>
+		<None Include="license.md" Pack="true" PackagePath="license.md"/>
+	</ItemGroup>
+	
 	<PropertyGroup Condition="'$(Platform)'=='AnyCPU'">
 		<DocumentationFile>bin\$(Configuration)\$(TargetFramework)\EPPlus.xml</DocumentationFile>
 	</PropertyGroup>