Initial efcore migration and updates to make sure upserting novels (mostly) works. still need to do chapter handling

WebNovelPortalAPI/Program.cs

@@ -1,12 +1,19 @@
 using DBConnection;
 using DBConnection.Extensions;
 using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+using WebNovelPortalAPI.Extensions;
+using WebNovelPortalAPI.Scrapers;
 
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 builder.Services.AddDbServices(builder.Configuration);
-builder.Services.AddControllers();
+builder.Services.AddScrapers();
+builder.Services.AddControllers().AddNewtonsoftJson(opt =>
+{
+    opt.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
+});
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();