Update README with PR #84 + credits

Author: PatrykMis

README.md

@@ -23,6 +23,7 @@ All changes are documented in the commits log. Below are the most important ones
 * various improvements from [GrapheneOS](https://github.com/GrapheneOS/talkback) project by [Daniel Micay](https://github.com/thestinger)
 * updated dependencies which may fix bugs and potential security issues
 * Do not show onboarding when lock task mode is enabled ([PR #77](https://github.com/talkback-foss-team/talkback-foss/pull/77) by [@marukami](https://github.com/marukami))
+* Fix layout overlap with status bar ([PR #84](https://github.com/talkback-foss-team/talkback-foss/pull/84) by [@althafvly](https://github.com/althafvly))
 * Expanded instructions in the readme
 
 There is also an issue tracker where various issues and improvements can be discussed. Unfortunately, the upstream code is not being updated too often.