Enhance logging configuration in Program.cs

Initialized logging by clearing providers, setting minimum
level to Trace, and configuring NLog as the logging provider.

Program.cs

@@ -10,6 +10,10 @@ try
 {
     var builder = WebApplication.CreateBuilder(args);
 
+    builder.Logging.ClearProviders();
+    builder.Logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
+    builder.Host.UseNLog();
+
     // Make sure to add the Ocelot configuration file
     var suffix = builder.Environment.IsDevelopment() ? ".Development" : "";
     builder.Configuration.AddJsonFile($"ocelot{suffix}.json");