update history doc

Author: andrewconnell

README.md

@@ -39,6 +39,7 @@ This module has been recorded and is available in the Office Development YouTube
 
 | Version | Date | Comments |
 | ------- | ------------------ | ---------------------------------------------------- |
+| 1.10 | September 9, 2019 | 2020Q1 content refresh |
 | 1.9 | June 18, 2019 | Updated readme to refreshed screencast recording |
 | 1.8 | May 29, 2018 | 2019Q4 content refresh |
 | 1.7 | April 4, 2018 | 2019Q3 content refresh |