fix: migrate to IDbContextFactory and remove direct AppDbContext from DI (#11)

Reviewed-on: #11
Co-authored-by: Marek Jasiński <jasins.marek@gmail.com>
Co-committed-by: Marek Jasiński <jasins.marek@gmail.com>

src/NexusReader.Web.New/Program.cs

@@ -6,7 +6,7 @@ using NexusReader.Application.DTOs.User;
 using NexusReader.Web.Client.Services;
 using NexusReader.UI.Shared.Services;
 using NexusReader.Domain.Entities;
-using NexusReader.Infrastructure.Persistence;
+using NexusReader.Data.Persistence;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Components.Authorization;
 using Microsoft.EntityFrameworkCore;
@@ -135,7 +135,8 @@ using (var scope = app.Services.CreateScope())
 {
     var services = scope.ServiceProvider;
     var logger = services.GetRequiredService<ILogger<Program>>();
-    var dbContext = services.GetRequiredService<NexusReader.Infrastructure.Persistence.AppDbContext>();
+    var dbContextFactory = services.GetRequiredService<IDbContextFactory<NexusReader.Data.Persistence.AppDbContext>>();
+    using var dbContext = await dbContextFactory.CreateDbContextAsync();
     
     int maxRetries = 5;
     int delayMs = 2000;