🏗️ structured files for testing

Co-authored-by: Sindre Kjelsrud <kjelsrudsindre@gmail.com>

backend/cinemateket/Program.cs

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+using Microsoft.EntityFrameworkCore;
+using System.Globalization;
+using System.IO;
+using System.Collections.Generic;
+using System.Linq;
+using CsvHelper;
+using backend;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddControllers();
+
+var  MyAllowSpecificOrigins = "_myAllowSpecificOrigins";
+
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy(name: MyAllowSpecificOrigins,
+                      policy  =>
+                      {
+                          policy.WithOrigins("http://localhost:5173");
+                      });
+});
+
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var configuration = builder.Configuration; 
+
+builder.Services.AddDbContext<MovieDbContext>(options =>
+    options.UseNpgsql(configuration.GetConnectionString("DefaultConnection")));
+
+var services = builder.Services.BuildServiceProvider();
+using (var scope = services.CreateScope())
+{
+    var context = scope.ServiceProvider.GetRequiredService<MovieDbContext>();
+    context.Database.EnsureCreated();
+
+    // Check if movies are already inserted to avoid duplicate insertion
+    if (!context.Movies.Any())
+    {
+        using (context) 
+        {
+            context.Database.Migrate();
+        }
+        using (var reader = new StreamReader("public/DbMockData.csv"))
+        using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
+        {
+            var records = csv.GetRecords<MovieDB>().ToList();
+            context.Movies.AddRange(records);
+            context.SaveChanges();
+        }
+    }
+}
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+app.UseCors(MyAllowSpecificOrigins);
+
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();