Update icon

Source/Apos.Gui.csproj

@@ -9,7 +9,7 @@
     <Company>Vyne Enterprise Inc.</Company>
     <Copyright>Copyright 2018</Copyright>
     <PackageTags>gamedev;monogame;ui</PackageTags>
-    <PackageIconUrl>../Images/Icon.png</PackageIconUrl>
+    <PackageIcon>Icon.png</PackageIcon>
     <RepositoryUrl>https://github.com/Apostolique/Apos.Gui</RepositoryUrl>
     <PackageProjectUrl>https://github.com/Apostolique/Apos.Gui</PackageProjectUrl>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
@@ -24,4 +24,7 @@
     <PackageReference Include="Optional" Version="4.0.0" />
     <PackageReference Include="Apos.Input" Version="0.5.1" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="../Images/Icon.png" Pack="true" PackagePath="" />
+  </ItemGroup>
 </Project>