updated changelog

Changelog.md

@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.35] - 2023-09-12
+- Added a publisher for the 2023 survey data
+- Added report pages for the traffic volume and institution urls
+- Added sorting functionality for the survey users admin page
+- Added a new 'observer' role in addition to 'admin' and 'user'
+- Added a missing policy field in the reporting datamodel
+- Changed the 'country' question in the survey from a dropdown to a text field
+
 ## [0.34] - 2023-08-27
 - Fixed bug with "To" address for single email recipient