Added NightAlert project for travel kit

NightScout/NightscoutAlerter.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NightScout
+{
+    public class NightscoutAlerter
+    {
+        public INightscoutDataSource DataSource { get; set; }
+        public IAlerter Alerter { get; set; }
+        public DateTime LastDataUpdateReceived { get; set; }
+
+        public NightscoutAlerter(INightscoutDataSource dataSource, IAlerter alerter)
+        {
+            DataSource = dataSource;
+            Alerter = alerter;
+            SetupEvents();
+        }
+
+        private void SetupEvents()
+        {
+            DataSource.Connected += () => DataSource.Authorize();
+            DataSource.Alarm += (alarm) => Alerter.StartAlert();
+            DataSource.UrgentAlarm += (alarm) => Alerter.StartUrgentAlert();
+            DataSource.ClearAlarm += (alarm) => Alerter.StopAlerts();
+            DataSource.StaleDataAlarm += () => Alerter.StartStaleDataAlert();
+
+            //DataSource.DataUpdate += DataSource_DataUpdate;
+        }
+
+        void DataSource_DataUpdate(object obj)
+        {
+            Console.WriteLine(obj);
+        }
+
+    }
+}