chore: initial project setup

src/FiscalOS.API/Program.cs

@@ -0,0 +1,14 @@
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddOpenApi();
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment())
+{
+  app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+
+app.Run();