ajout projet backend vide

src/LittleTown.Api/Program.cs

@@ -0,0 +1,26 @@
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+app.MapGet("/helloWorld", () =>
+{
+    return "Hello World";
+})
+.WithName("HelloWorld")
+.WithOpenApi();
+
+app.Run();