fix: copy xmindsettings.json to build folder of target application

.appveyor.yml

@@ -1,7 +1,7 @@
 environment:
   major: 0
   minor: 4
-  patch: 2
+  patch: 3
 
 version: $(major).$(minor).$(patch)+{branch}-{build}
 

XMindAPI/XMindAPI.csproj

@@ -23,21 +23,27 @@
 			<PrivateAssets>all</PrivateAssets>
 		</PackageReference> -->
 		<PackageReference Include="System.Text.Encoding.CodePages" Version="4.5.1" />
-		<Content Include="./xmindsettings.json">
-			<Link>%(RecursiveDir)%(Filename)%(Extension)</Link>
-			<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+		<!-- <Content Include="$(MSBuildThisFileDirectory)xmindsettings.json">
+			<Link>xmindsettings.json</Link>
+			<PackageCopyToOutput>true</PackageCopyToOutput>
+		</Content> -->
+		<Content Include="xmindsettings.json">
+			<PackageCopyToOutput>true</PackageCopyToOutput>
 		</Content>
+		<None Include="icon.png" Pack="true" Visible="false" PackagePath="\"/>
 	</ItemGroup>
 
 	<PropertyGroup>
 		<Description>XMind API that allows to build .xmind files programmatically</Description>
 		<GenerateDocumentationFile>false</GenerateDocumentationFile>
 		<DocumentationFile>bin\XMindAPI.xml</DocumentationFile>
+		<IncludeSymbols>true</IncludeSymbols>
 	</PropertyGroup>
 
 	<PropertyGroup>
 		<PackageId>XMindCSharp</PackageId>
 		<Version></Version>
+		<PackageIcon>icon.png</PackageIcon>
 		<Authors>Alexey Nikiforov</Authors>
 		<Copyright>© Alexey Nikiforov</Copyright>
 		<Company> HYS Enterprise</Company>