move FeedEngine to its own class

Core/FeedEngine.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using LiveGameFeed.Models;
+using Microsoft.Extensions.Logging;
+using RecurrentTasks;
+
+namespace LiveGameFeed.Core
+{
+    public class FeedEngine : IRunnable
+    {
+        private ILogger logger;
+
+        public FeedEngine(ILogger<FeedEngine> logger)
+        {
+            this.logger = logger;
+        }
+        public void Run(TaskRunStatus taskRunStatus)
+        {
+            var msg = string.Format("Run at: {0}", DateTimeOffset.Now);
+            logger.LogDebug(msg);
+        }
+    }
+}