docs: update link to docs repo

Author: alexkrolick

README.md

@@ -7,7 +7,7 @@
 
 <p>Simple and complete DOM testing utilities that encourage good testing practices.</p>
 
-[**Read the docs**](https://testing-library.com/) | [Edit the docs](https://github.com/alexkrolick/testing-library-docs)
+[**Read the docs**](https://testing-library.com/) | [Edit the docs](https://github.com/testing-library/testing-library-docs)
 
 </div>