Merge proces, enable signing of the assembly.

Frameworks/MQTTnet.NetStandard/Packets/MqttPacketHeader.cs

@@ -0,0 +1,13 @@
+using MQTTnet.Protocol;
+
+namespace MQTTnet.Packets
+{
+    public class MqttPacketHeader
+    {
+        public MqttControlPacketType ControlPacketType { get; set; }
+
+        public byte FixedHeader { get; set; }
+
+        public int BodyLength { get; set; }
+    }
+}