made FAQ a subtopic

Author: Buckley Guderian

powerapps-docs/maker/TOC.yml

@@ -44,8 +44,9 @@
         href: ../user/create-a-record.md
       - name: Add activities to the timeline
         href: ../user/add-activities.md 
-      - name: FAQ about activities
-        href: ../user/faq-for-timeline-and-activity.md
+        items:
+       - name: FAQ about activities
+         href: ../user/faq-for-timeline-and-activity.md
       - name: Assign or share records
         href: ../user/assign-or-share-records.md
       - name: Share records using Access Team