docs: added typehead usage doc for pf-select (#2868)

Co-authored-by: Rohit Bharmal <[email protected]>

Author: rohit-bharmal

elements/pf-select/docs/pf-select.md

@@ -75,13 +75,13 @@ readers. This functions similarly to the `aria-disabled="true"` attribute.
 
 {% renderFile "./docs/_snippets/wai-aria-disabled.md" %}
 
-{# 
   ### Typeahead
-
   {% htmlexample %}
     {% renderFile "./elements/pf-select/demo/typeahead.html" %}
   {% endhtmlexample %}
 
+{# 
+
   #### Multiple
 
   {% htmlexample %}