file.rhtml in sdoc-2.1.0

- old
+ new

@@ -1,9 +1,10 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
     <title><%= h file.name %></title>
     <meta http-equiv="Content-Type" content="text/html; charset=<%= @options.charset %>" />
+    <meta name="viewport" content="width=device-width,initial-scale=1">
     <%= include_template '_head.rhtml', {:rel_prefix => rel_prefix} %>
 </head>
 
 <body>
     <div class="banner">