templates/mountable_scaffold/app/views/layouts/%gem_name%/application.html.erb.tt
<!DOCTYPE html>
<html>
<head>
<title>Rplugin</title>
<%%= stylesheet_link_tag "<%= @gem_name %>/application", media: "all" %>
<%%= javascript_include_tag "<%= @gem_name %>/application" %>
<%%= csrf_meta_tags %>
</head>
<body>
<%%= yield %>
</body>
</html>