Add changelog vor v0.3.0

Author: koenvervloesem

CHANGELOG.rst

@@ -2,6 +2,29 @@
 Changelog
 =========
 
+Version 0.3.0 (2022-12-14)
+==========================
+
+This version adds a lot of user interface improvements. You can filter advertisements on device addresses, you can choose which advertisement data types are shown, you can enable or disable autoscrolling and you can clear the list of received advertisements.
+
+New features
+------------
+
+* Add address filter by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/12
+* Automatically hide and focus filter widget by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/14
+* Add sidebar to select data to show by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/15
+* UI improvements by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/18
+
+Miscellaneous
+-------------
+
+* Add unit tests for renderables by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/11
+* Set 5% threshold for codecov by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/13
+* Add usage docs by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/16
+* Make address filter a reactive attribute by @koenvervloesem in https://github.com/koenvervloesem/humble-explorer/pull/17
+
+**Full Changelog**: https://github.com/koenvervloesem/humble-explorer/compare/v0.2.0...v0.3.0
+
 Version 0.2.0 (2022-12-02)
 ==========================