Update CHANGELOG

CHANGELOG.rst

 Changelog
 =========
 
+`2.0a2`_
+--------
+
+New features
+~~~~~~~~~~~~
+
+* Add frontend-ased announcement management
+* Auto-create Person on User creation
+* Generel LDAP import/export interface
+* Select primary group if unset
+* Support multiple recipient object for one announcement
+* Mich-Seite
+* Add support for defining group types
+* Add description to Person
+* Add age_at method and age property
+* Synchronise AlekSIS groups with Django groups
+* Add celery worker celery-beat worker and celery broker to docker-compose.yml
+* Re-add django-dbbackup
+* Global search
+* Add license information page
+* Roles and permissions
+* User preferences
+* Additional fields for people per group
+* Support global permission flags by LDAP group
+* Remove legacy multi-tenant support
+* Generalise announcements
+* Allow custom menu entries (e.g. in footer)
+* New logo for AlekSIS
+* Two factor authentication with Yubikey or OTP
+
+Minor changes
+~~~~~~~~~~~~~
+
+* Add some CSS helper classes for colours
+* Show announcements on dashboard
+* Mandate use of AlekSIS base model
+* Make short_name for group optional
+* Drop import_ref field(s)
+* Generalised live loading of widgets for dashboard
+* Turn into installable web app
+
+Bug fixes
+~~~~~~~~~
+
+* DateTimeField Announcement.valid_from received a naive datetime
+* Enable SASS processor in production
+* Fix too short fields
+* Load select2 externally
 
 `2.0a1`_
 --------
@@ -79,3 +127,4 @@ _`1.0a1`: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/1.0a1
 _`1.0a2`: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/1.0a2
 _`1.0a4`: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/1.0a4
 _`2.0a1`: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/2.0a1
+_`2.0a2`: https://edugit.org/AlekSIS/Official/AlekSIS/-/tags/2.0a2