Update Cookbook's Intro. sec. in docs

Author: stevegalili

website/docs/12.x/cookbook/index.md

@@ -1,5 +1,29 @@
 # Introduction
 
-This cookbook is intended to showcase best practices, tips & tricks, and ready-to-use recipes for using React Native Testing Library.
+Welcome to the **React Native Testing Library (RNTL) Cookbook**!
+This app is your go-to resource for learning how to effectively test React Native applications.
+It provides a collection of **best practices**, **ready-made recipes**, and **tips & tricks** to
+simplify and improve your testing workflow. Whether you’re a beginner just getting started or a
+seasoned developer looking to sharpen your
+skills, the Cookbook has something for everyone.
 
-We invite you to contribute your favorite recipes to the Cookbook. More info [here](https://github.com/callstack/react-native-testing-library/issues/1624).
+## What's Inside the Cookbook?
+
+The Cookbook is currently organized into **three main chapters**:
+
+- **Basic Recipes**: A great starting point, covering essential testing scenarios such as async
+  operations and custom render functions.
+- **Advanced Recipes**: More complex scenarios like network requests and in the future, navigation
+  testing and more.
+- **State Management Recipes**: Best practices for testing state management libraries
+
+Each recipe includes a clear explanation along with a corresponding code example to help you get
+hands-on with testing. Checkout
+the [Cookbook App](https://github.com/callstack/react-native-testing-library/tree/main/examples/cookbook#rntl-cookbook) to see the
+recipes in action.
+
+## What's Next?
+
+Join the conversation
+on [GitHub](https://github.com/callstack/react-native-testing-library/issues/1624) here to discuss
+ideas, ask questions, or provide feedback.