First commit that builds.

code/MessengerBroker/Settings.cs

@@ -0,0 +1,36 @@
+namespace MessengerBroker
+{
+    public class Settings
+    {
+        /// <summary>
+        /// Connection string to Messenger API DB.
+        /// </summary>
+        public string MessengerApiDbConnectionString { get; set; }
+
+        public string MessengerBrokerDbConnectionString { get; set; }
+
+        public Guid BrokerId { get; set; }
+
+        public MasterServer[] Masters { get; set; }
+
+        public SlaveServer[] Slaves { get; set; }
+
+        /// <summary>
+        /// A server that we are a slave to. If this server goes down, their users will alternate to us and we have to provide service during outage. We pull data from this server.
+        /// </summary>
+        public class MasterServer
+        {
+            public string BrokerApiUrl { get; set; }
+
+            public Guid BrokerId {  set; get; }
+        }
+
+        /// <summary>
+        /// A server that slaves to us in case of our own outage. They pull from us.
+        /// </summary>
+        public class SlaveServer
+        {
+            public Guid BrokerId { get; set; }
+        }
+    }
+}