refactor(frontend): new machine route

script/rvd_front

@@ -294,7 +294,7 @@ any '/admin/#type' => sub {
   return admin($c);
 };
 
-any '/new_machine' => sub {
+any '/new_machine.html' => sub {
     my $c = shift;
     return access_denied($c)    if !$USER->can_create_machine;
     return new_machine($c);

templates/ng-templates/new_machine_template.html.ep

 <div class="tab-pane fade show active" id="fromtemplate" role="tabpanel">
     <div class="card-body">
-        <form name="new_machineForm" role="form" method="post" action="/new_machine" novalidate>
+        <form name="new_machineForm" role="form" method="post" action="/new_machine.html" novalidate>
             <div class="form-group row">
                 <label for="backend" class="col-xl-3 col-form-label"><%=l 'Backend' %> <a
                   title="Choose the virtualization type of the Virtual Machine."><i class="fa fa-info-circle"></i></a></label>