docs(skill): fix TFM and project path in SKILL.md

Align with scaffolder: net9.0 (not net10.0) and
..\src\Reactor\Reactor.csproj (not ..\Reactor\).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: sundaramramaswamy

SKILL.md

@@ -35,7 +35,7 @@ re-renders automatically. No XAML. No data binding. No ViewModels.
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
-    <TargetFramework>net10.0-windows10.0.22621.0</TargetFramework>
+    <TargetFramework>net9.0-windows10.0.22621.0</TargetFramework>
     <Platforms>x64;ARM64</Platforms>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
@@ -44,7 +44,7 @@ re-renders automatically. No XAML. No data binding. No ViewModels.
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.WindowsAppSDK" Version="2.0.1" />
-    <ProjectReference Include="..\Reactor\Reactor.csproj" />
+    <ProjectReference Include="..\src\Reactor\Reactor.csproj" />
   </ItemGroup>
 </Project>
 ```