feat: add patterns.dev book (#7737)

* feat: add patterns.dev

* Update courses/free-courses-en.md

Co-authored-by: Eric Hellman <eric@hellman.net>

Co-authored-by: Eric Hellman <eric@hellman.net>

courses/free-courses-en.md

@@ -717,6 +717,7 @@
 * [React Context & Hooks Tutorial](https://www.youtube.com/playlist?list=PL4cUxeGkcC9hNokByJilPg5g9m2APUePI) - The Net Ninja
 * [React Crash Course 2020](https://www.youtube.com/watch?v=4UZrsTqkcW4) - freecodecamp
 * [React Hooks](https://www.youtube.com/playlist?list=PLZlA0Gpn_vH8EtggFGERCwMY5u5hOjf-h) - WebDevSimplified
+* [React Patterns for web apps](https://www.patterns.dev/book/) - Lydia Hallie, Addy Osmani
 * [React Router 6 – Tutorial for Beginners](https://www.youtube.com/watch?v=59IXY5IDrBA) - John Smilga (freeCodeCamp)
 * [React State Management using Context API (useContext + useReducer Hooks = Magic)](https://www.youtube.com/watch?v=zxP4oGejqpU) - The Full Stack Junkie
 * [React Tutorials](https://www.youtube.com/playlist?list=PLWKjhJtqVAbkArDMazoARtNz1aMwNWmvC) - freeCodeCamp