Update site.rst

Added Braunschweig to site-repos in the wild

docs/user/site.rst

@@ -211,6 +211,7 @@ site-repos in the wild
 
 This is a non-exhaustive list of site-repos from various communities:
 
+* `site-ffbs <https://github.com/ffbs/site-ffbs>`_ (Braunschweig)
 * `site-ffhb <https://github.com/FreifunkBremen/gluon-site-ffhb>`_ (Bremen)
 * `site-ffhh <https://github.com/freifunkhamburg/site-ffhh>`_ (Hamburg)
 * `site-ffhgw <https://github.com/lorenzo-greifswald/site-ffhgw>`_ (Greifswald)