Apply changesets and update CHANGELOG [skip ci]

Author: mayank1513

lib/README.md

@@ -26,6 +26,8 @@ Live demo: [https://kosha-six.vercel.app](https://kosha-six.vercel.app)
 - [❓ FAQ](#-faq)
 - [🚧 Known Limitations](#-known-limitations)
 - [🤝 Contributing](#-contributing)
+- [🧪 Testing and Mocking](#-testing-and-mocking)
+- [🧠 Internals & Caveats](#-internals--caveats)
 - [📜 License](#-license)
 
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