Implemented update functionallity

Program.cs

@@ -0,0 +1,26 @@
+using ServiceUpdater;
+
+var builder = WebApplication.CreateSlimBuilder(args);
+
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+builder.Services.AddSingleton<UpdaterConfig>();
+builder.Services.AddScoped<UpdateWorker>();
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment()) {
+    app.MapOpenApi();
+}
+
+app.MapGet("update/{service}", async (UpdateWorker worker, string service, HttpContext context) => {
+    context.Response.Headers.Append("Content-Type", "text/event-stream");
+
+    await foreach (var line in worker.UpdateService(service)) {
+        await context.Response.WriteAsync(line + '\n');
+        await context.Response.Body.FlushAsync();
+    }
+});
+
+app.Run();