Update Readme.md

Updated version number for latest release in readme

Author: mcalsada

Readme.md

@@ -1,7 +1,7 @@
 # Aeon ArchivesSpace Client Addon
 
 ## Version
-- 2.0:
+- 2.1:
     - Added support for staff logins in Archives Space v2.8.0.
 - 2.0:
     - Added support for importing the barcode from an instance's Top Container.
@@ -139,4 +139,4 @@ Citation data can be imported when a specific instance of an object can't be imp
 | DigitalObjectId   | The ID of the digital object                                                           | digital_objects > digital_object_id           |
 
 ### PageUri
-The PageUri mapping is the pattern that identifies the page type the addon is currently on. These are not likely to change from site to site, but can be adjusted if necessary.
+The PageUri mapping is the pattern that identifies the page type the addon is currently on. These are not likely to change from site to site, but can be adjusted if necessary.