[ENHANCE] - Added Theme to Name Space [Owner].Theme.[Theme]

changes all template files to conform to  [Owner].Theme.[Theme]

Oqtane.Server/wwwroot/Themes/Templates/External/Package/[Owner].Theme.[Theme].Package.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Include="icon.png">
+      <Pack>True</Pack>
+      <PackagePath></PackagePath>
+    </None>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Client\[Owner].Theme.[Theme].Client.csproj" />
+  </ItemGroup>
+
+  <Target Name="PostBuild" AfterTargets="PostBuildEvent">
+    <Exec Command="IF $(ConfigurationName) == Debug (debug.cmd)" />
+    <Exec Command="IF $(ConfigurationName) == Release (release.cmd)" />
+  </Target>
+
+</Project>