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

Marechai/ViewModels/MemoryByMachineViewModel.cs

@@ -0,0 +1,13 @@
+using Marechai.Database;
+
+namespace Marechai.ViewModels
+{
+    public class MemoryByMachineViewModel : BaseViewModel<long>
+    {
+        public int         MachineId { get; set; }
+        public MemoryType  Type      { get; set; }
+        public MemoryUsage Usage     { get; set; }
+        public long?       Size      { get; set; }
+        public double?     Speed     { get; set; }
+    }
+}