Update help files

docs/DOCS.md

@@ -79,6 +79,9 @@ require('neogen').setup {
   Change the annotation convention to use with the language.
 - `template.use_default_comment` (default: `true`)
   Prepend any template line with the default comment for the filetype
+- `template.position` (`fun(node: userdata, type: string):(number,number)?`)
+  Provide an absolute position for the annotation.
+  If return values are `nil`, use default position
 - `template.append`
   If you want to customize the position of the annotation
 - `template.append.child_name`