Added start on windows startup feature IO-404

BodyshopUploader/ViewModels/MainViewModel.commands.cs

@@ -192,7 +192,23 @@ namespace BodyshopPartner.ViewModels
             }
         }
 
-
+        private ICommand _startWithWindowsCommand;
+        public ICommand StartWithWindowsCommand
+        {
+            get
+            {
+                if (_startWithWindowsCommand == null)
+                {
+                    _startWithWindowsCommand = new RelayCommand(
+                        p => true,
+                        p =>
+                        {
+                            ToggleStartWithWindows((bool)(p));
+                        });
+                }
+                return _startWithWindowsCommand;
+            }
+        }
 
     }
 }