Use new include syntax

Author: svilenmarkov

root/config/glance.yml

@@ -9,4 +9,4 @@ theme:
 pages:
   # It's not necessary to create a new file for each page and include it, you can simply
   # put its contents here, though multiple pages are easier to manage when separated
-  !include: home.yml
+  - $include: home.yml