added timer service to home controller

Core/Mappings/AutoMapperConfiguration.cs

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+using AutoMapper;
+
+namespace LiveGameFeed.Core.Mappings
+{
+    public class AutoMapperConfiguration
+    {
+        public static void Configure()
+        {
+            Mapper.Initialize(x =>
+            {
+                x.AddProfile<DomainToViewModelMappingProfile>();
+            });
+        }
+    }
+}

Core/Mappings/DomainToViewModelMappingProfile.cs

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+using AutoMapper;
+using LiveGameFeed.Models;
+
+namespace LiveGameFeed.Core.Mappings
+{
+    public class DomainToViewModelMappingProfile : Profile
+    {
+        protected override void Configure()
+        {
+            Mapper.CreateMap<Match, MatchViewModel>();
+            Mapper.CreateMap<Feed, FeedViewModel>();
+        }
+    }
+}

Core/Timer/ITimerService.cs

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+using System;
+
+namespace LiveGameFeed.Core.MvcTimer
+{
+    public interface ITimerService
+    {
+        event EventHandler TimerElapsed;
+    }
+}

Core/Timer/TimerEventArgs.cs

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+using System;
+
+namespace LiveGameFeed.Core.MvcTimer
+{
+    public class TimerEventArgs : EventArgs
+    {
+        public TimerEventArgs(int value)
+        {
+            Value = value;
+        }
+
+        public int Value { get; }
+    }
+}

Core/Timer/TimerService.cs

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+using System;
+using System.Threading;
+using Microsoft.Extensions.Options;
+
+namespace LiveGameFeed.Core.MvcTimer
+{
+    public class TimerService : ITimerService
+    {
+        private Timer _timer;
+        readonly Random _random = new Random();
+        public event EventHandler TimerElapsed;
+
+        public TimerService(IOptions<TimerServiceConfiguration> options)
+        {
+            var optionsTimerServiceConfiguration = options;
+            _timer = new Timer(
+                OnTimerElapsed, 
+                null, 
+                optionsTimerServiceConfiguration.Value.DueTime, 
+                optionsTimerServiceConfiguration.Value.Period);
+        }
+
+        private void OnTimerElapsed(object sender)
+        {
+            TimerElapsed?.Invoke(this, new TimerEventArgs(_random.Next(0, 100)));
+        }
+    }
+}

Core/Timer/TimerServiceConfiguration.cs

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+namespace LiveGameFeed.Core.MvcTimer
+{
+    public class TimerServiceConfiguration
+    {
+        public int DueTime { get; set; }
+
+        public int Period { get; set; }
+    }
+}