feat: added Startup class

JOBot.Backend/Program.cs

@@ -1,16 +1,9 @@
-using JOBot.Backend.DAL.Context;
-using JOBot.Backend.Services.gRPC;
-using Microsoft.EntityFrameworkCore;
-
 var builder = WebApplication.CreateBuilder(args);
 
-builder.Services.AddGrpc();
-builder.Services.AddDbContext<AppDbContext>(options =>
-    options.UseNpgsql(builder.Configuration.GetConnectionString("PostgreSQL")));
-
+var startup = new Startup(builder.Configuration);
+startup.ConfigureServices(builder.Services);
 
 var app = builder.Build();
-
-app.MapGrpcService<UserService>();
+startup.Configure(app, app.Environment);
 
 app.Run();