[static-web] wiki: Add "hamburger" menu icon for mobile

[Tom Tryfonidis <tomtryf src gnome org>]

commit 2948cc1f122ea62d0ad28c24a461f2da8360e9d2
Author: Tom Tryfonidis <tomtryf gnome org>
Date:   Sun May 14 20:34:38 2017 +0300

    wiki: Add "hamburger" menu icon for mobile

 .../gnome-responsive/gnome-responsive.py           |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/wiki.gnome.org/gnome-responsive/gnome-responsive.py 
b/wiki.gnome.org/gnome-responsive/gnome-responsive.py
index 4299d44..c397b74 100644
--- a/wiki.gnome.org/gnome-responsive/gnome-responsive.py
+++ b/wiki.gnome.org/gnome-responsive/gnome-responsive.py
@@ -177,6 +177,7 @@ class Theme(ThemeBase):
            ''',
             self.username(d).replace('<li>', '<li>%s</li>%s<li>' % (html_title, html_tabs), 1),
             u'''
+          <a href="#" id="menu-icon"></a>
         </div>
       </div>
     </div>