fix(bug): allow RAM from 1

issue #1112

templates/ng-templates/new_machine_other.html.ep

@@ -40,7 +40,7 @@
                         </div>
                         <div class="col-xl-2">
                             <input class="form-control" ng-model="ramsize" type="text"
-                            ng-pattern ="/^[0-9]+\.?[0-9]+$/"
+                            ng-pattern ="/^[0-9]+\.?[0-9]*$/"
                             name="copy_ram"
                             required="">
                         </div>