adds cookies to footer

Author: jakecosgrove

docs/_data/footer-navigation.yml

@@ -4,8 +4,8 @@
 - title: Acceptable use policy
   link: https://digital.nhs.uk/services/nhs-notify/acceptable-use-policy
 
-#- title: Cookies
-#link: /cookies/
+- title: Cookies
+  link: /cookies/
 
 - title: Privacy
   link: https://digital.nhs.uk/services/nhs-notify/transparency-notice