Restructure extras

extra/admin-api/Utilities/ConfigTest/Program.cs

@@ -0,0 +1,14 @@
+using ConfigTest;
+using Microsoft.EntityFrameworkCore;
+using Spacebar.Models.Db.Contexts;
+
+var builder = Host.CreateApplicationBuilder(args);
+builder.Services.AddHostedService<Worker>();
+builder.Services.AddDbContext<SpacebarDbContext>(options => {
+    options
+        .UseNpgsql(builder.Configuration.GetConnectionString("Spacebar"))
+        .EnableDetailedErrors();
+}, ServiceLifetime.Singleton);
+
+var host = builder.Build();
+host.Run();