Add extra blank line before config group extension
tree694424dd3f745711d1f1d6a01d9f2429e3cc29ad
-rw-r--r-- 9 .gitignore
drwxr-xr-x - classes
drwxr-xr-x - config
drwxr-xr-x - guide
drwxr-xr-x - i18n
drwxr-xr-x - media
drwxr-xr-x - messages
drwxr-xr-x - tests
drwxr-xr-x - utf8
drwxr-xr-x - views