(DOCSP-6516) Adding Thousands Separators to Field-Level Options (#245)

* (DOCSP-6516) Adding thousands separators to field level options table, image

* Changing copy for clarity

* Updating table to not re-specify numeric data

* Copy changes based on feedback

Author: zach-carr

source/images/charts/field-level-custom.png

@@ -4,6 +4,9 @@
 
    * - Option
      - Description
+   * - Thousands Separators
+     - Show or hide commas as thousands separators for data values.
+       By default, |charts-short| shows thousands separators.
    * - Decimals
      - Specifies to how many decimal places |charts-short| rounds each
        data value or label. If you specify this option, |charts-short|