updated readme (#162)

Author: ASDAlexander77

README.md

@@ -9,6 +9,8 @@
 [![Test Build (Linux)](https://github.com/ASDAlexander77/TypeScriptCompiler/actions/workflows/cmake-test-release-linux.yml/badge.svg)](https://github.com/ASDAlexander77/TypeScriptCompiler/actions/workflows/cmake-test-release-linux.yml)
 
 # What's new
+- JavaScript Built-in objects library [[Default Library repo](https://github.com/ASDAlexander77/TypeScriptCompilerDefaultLib/)]
+
 - Visual Studio Code project
 ```cmd
 tsc --new Test1