update logging output

AMNet.Server/Config.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Reflection;
 using Windows.Win32;
 using Windows.Win32.Foundation;
 
@@ -41,6 +42,8 @@ internal static class Config
     /// </summary>
     public static string AimeTxtPath { get; }
 
+    public static Version ServerVersion { get; } = new(Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyFileVersionAttribute>()?.Version ?? "1.0");
+
     internal static unsafe string ReadKey(string section, string key, uint maxLength, string @default = null)
     {
         // +1 for null terminator