adding a new event for when definition is requested (#167)

* sending telemetry events for intellisense usage

src/Microsoft.SqlTools.ServiceLayer/Connection/ConnectionInfo.cs

@@ -23,6 +23,7 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection
             OwnerUri = ownerUri;
             ConnectionDetails = details;
             ConnectionId = Guid.NewGuid();
+            IntellisenseMetrics = new InteractionMetrics<double>(new int[] { 50, 100, 200, 500, 1000, 2000 });
         }
 
         /// <summary>
@@ -49,5 +50,15 @@ namespace Microsoft.SqlTools.ServiceLayer.Connection
         /// The connection to the SQL database that commands will be run against.
         /// </summary>
         public DbConnection SqlConnection { get; set; }
+
+        /// <summary>
+        /// Intellisense Metrics
+        /// </summary>
+        public InteractionMetrics<double> IntellisenseMetrics { get; private set; }
+
+        /// <summary>
+        /// Returns true is the db connection is to a SQL db
+        /// </summary>
+        public bool IsAzure { get; set; }
     }
 }