fix: add changelog

Author: AyaMahmoud148

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [Unreleased](https://github.com/Instabug/Instabug-React-Native/compare/v15.0.1...dev)
+
+### Added
+
+- Add Support Advanced UI customization. ([#1411](https://github.com/Instabug/Instabug-React-Native/pull/1411))
+
 ## [15.0.1](https://github.com/Instabug/Instabug-React-Native/compare/v14.3.0...v15.0.1)
 
 ### Added