Initial setup: Fix .NET version compatibility for development

Co-authored-by: csharpfritz <[email protected]>

Author: Copilot

Web/Program.cs

@@ -29,9 +29,8 @@
 
 app.UseAuthorization();
 
-app.MapStaticAssets();
-app.MapRazorPages()
-   .WithStaticAssets();
+app.UseStaticFiles();
+app.MapRazorPages();
 app.MapControllers(); // Map controller routes for API endpoints
 
 // Map sitemap and RSS feed endpoints

Web/Web.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>  <ItemGroup>