WIP: Project setup with .NET backend and Next.js frontend

backend/Program.cs

@@ -0,0 +1,47 @@
+using Microsoft.EntityFrameworkCore;
+using RacePlannerApi.Data;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddOpenApi();
+
+// Configure Entity Framework Core with PostgreSQL
+var connectionString = builder.Configuration.GetConnectionString("DefaultConnection")
+    ?? "Host=localhost;Database=RacePlanner;Username=postgres;Password=postgres";
+
+builder.Services.AddDbContext<RacePlannerDbContext>(options =>
+    options.UseNpgsql(connectionString));
+
+// Add CORS for frontend
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("AllowFrontend", policy =>
+    {
+        policy.WithOrigins("http://localhost:3000")
+              .AllowAnyHeader()
+              .AllowAnyMethod()
+              .AllowCredentials();
+    });
+});
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+
+// Apply CORS
+app.UseCors("AllowFrontend");
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();