added twig loginuserpass

mymodule/themes/fancytheme/core/loginuserpass.twig

-% set pagetitle = 'Enter your username and password'|trans %}
+{ % set pagetitle = 'Enter your username and password'|trans %}
 
-{% extends "@core/base.twig" %}
+{% extends "@mymodule/base.twig" %}
 
 {% block postload %}
     <script src="{{ asset('js/loginuserpass.js', 'core') }}"></script>