✨ Add a proper Gateway service

DysonNetwork.Sphere/Program.cs

@@ -4,7 +4,6 @@ using DysonNetwork.Shared.Registry;
 using DysonNetwork.Sphere;
 using DysonNetwork.Sphere.Startup;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.FileProviders;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -47,4 +46,4 @@ using (var scope = app.Services.CreateScope())
 // Configure application middleware pipeline
 app.ConfigureAppMiddleware(builder.Configuration);
 
-app.Run();
+app.Run();