[fix] license file name and ext

Author: i4004

LICENSE renamed to LICENSE.txt

@@ -15,7 +15,7 @@
 		<Product>Simplify</Product>
 		<Authors>Alexander Krylkov</Authors>
 		<Copyright>Licensed under LGPL</Copyright>
-		<PackageLicenseFile>LICENSE</PackageLicenseFile>
+		<PackageLicenseFile>LICENSE.txt</PackageLicenseFile>
 		<PackageProjectUrl>https://web.simplifynet.dev</PackageProjectUrl>
 		<PackageIcon>icon.png</PackageIcon>
 		<PublishRepositoryUrl>true</PublishRepositoryUrl>
@@ -31,6 +31,6 @@
 	<ItemGroup>
 		<None Include="..\..\images\icon.png" Pack="true" Visible="false" PackagePath="" />
 		<None Include="CHANGELOG.md" Pack="true" PackagePath="\" />
-		<None Include="LICENSE" Pack="true" PackagePath="\" />
+		<None Include="..\LICENSE.txt" Pack="true" PackagePath="\" />
 	</ItemGroup>
 </Project>