[writing] Link to writing from main menu

Author: 0xdevalias

_data/navigation.yml

@@ -23,6 +23,10 @@
   class: 'nav-dev'
   name: 'Development'
   path: '/dev'
+-
+  class: 'nav-writing'
+  name: 'Writing'
+  path: '/writing'
 -
   class: 'nav-coaching'
   name: 'Coaching'