finished the first version of UI, refactoring and facelifts are pending

MalwareMultiScan.Backends/Backends/Implementations/DummyScanBackend.cs

@@ -25,9 +25,12 @@ namespace MalwareMultiScan.Backends.Backends.Implementations
             return Scan();
         }
 
-        private static Task<string[]> Scan()
+        private static async Task<string[]> Scan()
         {
-            return Task.FromResult(new[] {"Malware.Dummy.Result"});
+            await Task.Delay(
+                TimeSpan.FromSeconds(5));
+            
+            return new[] {"Malware.Dummy.Result"};
         }
     }
 }