Implement redis storage

src/Podsync/Controllers/StatusController.cs

@@ -0,0 +1,24 @@
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Podsync.Services.Storage;
+
+namespace Podsync.Controllers
+{
+    public class StatusController : Controller
+    {
+        private readonly IStorageService _storageService;
+
+        public StatusController(IStorageService storageService)
+        {
+            _storageService = storageService;
+        }
+
+        public async Task<string> Index()
+        {
+            var time = await _storageService.Ping();
+
+            return $"Path: {Request.Path}\r\n" +
+                   $"Redis: {time}";
+        }
+    }
+}