Initial .NET 8 Web API with EF Core Db-First for Catalogs

Set up multi-project solution with DbFirst API, Application, Domain, and Infrastructure layers. Implemented database-first EF Core for the Catalog entity, including domain, DTOs, repository, service, and controller. Configured AutoMapper, DI, Swagger, and project settings. Added .gitattributes and initial configuration files.

DbFirst.API/Program.cs

@@ -0,0 +1,38 @@
+using AutoMapper;
+using DbFirst.Application.Catalogs;
+using DbFirst.Domain.Repositories;
+using DbFirst.Infrastructure;
+using DbFirst.Infrastructure.Repositories;
+using Microsoft.EntityFrameworkCore;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+builder.Services.AddDbContext<ApplicationDbContext>(options =>
+    options.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));
+
+builder.Services.AddAutoMapper(typeof(CatalogProfile).Assembly, typeof(ApplicationDbContext).Assembly);
+
+builder.Services.AddScoped<ICatalogRepository, CatalogRepository>();
+builder.Services.AddScoped<ICatalogService, CatalogService>();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();