Allow to add and remove storage from machine details in admin view.

Marechai/ViewModels/StorageByMachineViewModel.cs

@@ -0,0 +1,12 @@
+using Marechai.Database;
+
+namespace Marechai.ViewModels
+{
+    public class StorageByMachineViewModel : BaseViewModel<long>
+    {
+        public int              MachineId { get; set; }
+        public StorageType      Type      { get; set; }
+        public StorageInterface Interface { get; set; }
+        public long?            Capacity  { get; set; }
+    }
+}