Restructuring of the files

Facepunch.Steamworks/Structs/AppId.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using System.Text;
+
+
+namespace Facepunch.Steamworks
+{
+	public struct AppId
+	{
+		public uint Value;
+
+		public override string ToString() => Value.ToString();
+
+		public static implicit operator AppId( uint value )
+		{
+			return new AppId{ Value = value };
+		}
+
+		public static implicit operator AppId( int value )
+		{
+			return new AppId { Value = (uint) value };
+		}
+
+		public static implicit operator uint( AppId value )
+		{
+			return value.Value;
+		}
+	}
+}