chore: release notes

Author: lukasbach

next-release-notes.md

@@ -1,9 +1,6 @@
-### Breaking Changes
-
 ### Features
 * Introduced new tree theme. You can opt into the new theme by importing `style-modern.css` instead of `style.css`
 
-### Bug Fixes and Improvements
-
 ### Other Changes
-* Fixed broken props-tables documentations for react components.
+* Fixed broken props-tables documentations for react components.
+* Fixed incomplete getstarted documentation page.