Add new About page

app.rb

@@ -341,6 +341,9 @@ end
 #   @stations = PollingStation.all
 #   haml :pollingstations
 # end
+get '/about' do
+  haml :about
+end
 
 not_found do
   haml :not_found

views/about.haml

@@ -0,0 +1,27 @@
+%h1 About
+
+%p
+  This site is designed by
+  %a{ :href => "https://adrianshort.org/" }
+    Adrian Short
+  \. The code is on
+  %a{ :href => 'https://github.com/adrianshort/suttonelections' }
+    GitHub
+
+%p
+  It is powered by data from
+  %a{ :href => "http://www.sutton.gov.uk/" }
+    Sutton Council,
+  %a{ :href => "http://data.london.gov.uk/" }
+    London Datastore
+  and
+  %a{ :href => "http://www.ordnancesurvey.co.uk/business-and-government/products/code-point-open.html" }
+    Ordnance Survey.
+
+%ul
+  %li.pure-menu-item
+    %a{ :href => '/how-the-parliament-election-works' }
+      About parliamentary elections
+  %li.pure-menu-item
+    %a{ :href => '/how-the-council-election-works' }
+      About council elections