Implemented theme crud and basic theme loading

Moonlight.Api/Startup/Startup.Base.cs

@@ -2,11 +2,14 @@
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Console;
+using Microsoft.Extensions.Options;
+using Moonlight.Api.Configuration;
 using Moonlight.Shared.Http;
 using Moonlight.Api.Helpers;
 using Moonlight.Api.Implementations;
 using Moonlight.Api.Interfaces;
 using Moonlight.Api.Services;
+using SessionOptions = Microsoft.AspNetCore.Builder.SessionOptions;
 
 namespace Moonlight.Api.Startup;
 
@@ -32,6 +35,9 @@ public partial class Startup
         
         builder.Services.AddMemoryCache();
         builder.Services.AddOptions<SessionOptions>().BindConfiguration("Moonlight:Session");
+
+        builder.Services.AddOptions<FrontendOptions>().BindConfiguration("Moonlight:Frontend");
+        builder.Services.AddScoped<FrontendService>();
     }
 
     private static void UseBase(WebApplication application)
@@ -43,6 +49,9 @@ public partial class Startup
     {
         application.MapControllers();
 
-        application.MapFallbackToFile("index.html");
+        var options = application.Services.GetRequiredService<IOptions<FrontendOptions>>();
+        
+        if(options.Value.Enabled)
+            application.MapFallbackToFile("index.html");
     }
 }