Announce matrix-registration-bot support

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1771

CHANGELOG.md

@@ -1,3 +1,12 @@
+# 2022-04-21
+
+## matrix-registration-bot support
+
+Thanks to [Julian-Samuel Gebühr (@moan0s)](https://github.com/moan0s), the playbook can now help you set up [matrix-registration-bot](https://github.com/moanos/matrix-registration-bot) - a bot that is used to create and manage registration tokens for a Matrix server.
+
+See our [Setting up matrix-registration-bot](docs/configuring-playbook-bot-matrix-registration-bot.md) documentation to get started.
+
+
 # 2022-04-19
 
 ## Borg backup support