Add changelog and bump version

Signed-off-by: Joas Schilling <coding@schilljs.com>

CHANGELOG.md

@@ -1,6 +1,17 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## 0.5.2 – 2020-11-30
+### Fixed
+ - Fix compatibility with password policy app
+    [#258](https://github.com/nextcloud/registration/pull/258)
+ - Allow mail confirmation to be optional
+    [#248](https://github.com/nextcloud/registration/pull/248)
+ - Don't allow to limit the app to groups as the users are all guests and therefor in no groups
+    [#255](https://github.com/nextcloud/registration/pull/255)
+ - Fix invalide route on user data form
+    [#251](https://github.com/nextcloud/registration/pull/251)
+
 ## 0.5.1 – 2020-10-05
 ### Fixed
  - Fix rate limitation to avoid spaming users

appinfo/info.xml

@@ -23,7 +23,7 @@ This app allows users to register a new account.
 4. User is lead to a form where they can choose their username and password
 5. New account is created and is logged in automatically
 		]]></description>
-	<version>0.5.1</version>
+	<version>0.5.2</version>
 	<licence>agpl</licence>
 	<author mail="pellaeon@cnmc.tw" homepage="https://nyllep.wordpress.com/about-2">Pellaeon Lin</author>
 	<types>