Merge proces, enable signing of the assembly.

Frameworks/MQTTnet.NetStandard/Client/IMqttClientOptions.cs

@@ -0,0 +1,20 @@
+using System;
+using MQTTnet.Serializer;
+
+namespace MQTTnet.Client
+{
+    public interface IMqttClientOptions
+    {
+        string ClientId { get; }
+
+        IMqttClientCredentials Credentials { get; }
+        bool CleanSession { get; }
+        MqttApplicationMessage WillMessage { get; }
+        
+        TimeSpan CommunicationTimeout { get; }
+        TimeSpan KeepAlivePeriod { get; }
+        MqttProtocolVersion ProtocolVersion { get; }
+
+        IMqttClientChannelOptions ChannelOptions { get; }
+    }
+}