Main with logging.cs

    private static int Main(string[] args)
    {
        var mainLogEntry = LogEntry.New().MessageBuilder(sb => sb.Append($"*** {Name} v{Version}").Stopwatch(sw => sw.StartNew());
        try
        {
            // ...

            mainLogEntry.Info().MessageBuilder(sb => sb.Append("exited.");
            return 0;
        }
        catch (Exception ex)
        {
            mainLogEntry.Fatal().MessageBuilder(sb => sb.Append("crashed.").Exception(ex);
            return 1;
        }
        finally
        {
            mainLogEntry.Log(Logger);
        }
    }