public function add_post(Request $request)
 {
     $this->validate($request, ['name' => 'required', 'roles' => 'required', 'vars' => 'required']);
     $template = new Templates();
     $template->name = $request->name;
     $template->roles = $request->roles;
     $template->vars = $request->vars;
     $template->save();
     return \Redirect::to(route("template"))->with('success', "Profile updated success.");
 }