Added custom section at bottom of table with a row for helper text.

The last row in the table now shows "No more items!". It's in its own section (of one row).
Custom text cell can't be deleted.

Updated the table to prevent users from being able to delete the helper text cell.
Removed ability to move helper text row, also took better approach to prevent editing of helper text row.

There was a better way to prevent editing of the helper text row (canEditRowAtIndexPath). Also implemented control to prevent moving the row.
Gold Challenge (Ch. 9) - Prevented ability for users to move cells below the helper text.