docs(functions): Add missing (sort) function in syntax documentation

Author: RhykerWells

content/docs/reference/templates/functions.md

@@ -2402,7 +2402,7 @@ start index and the subslice extends to the end of `item`.
 #### sort
 
 ```yag
-{{ $sorted := <list> [options] }}
+{{ $sorted := sort <list> [options] }}
 ```
 
 Returns the given list in a sorted order. The list's items must all be of the same type. The optional `options` argument