Add link to Codédex in P5.js description

Updated P5.js description to include a link to Codédex.

Author: sonnynomnom

blogs/2025/how-to-get-started-with-game-development.mdx

@@ -63,7 +63,7 @@ Web game enthusiast? This one is for you. A JavaScript library is going to be th
 
 [p5js ball game](https://github.com/jakewarrenblack/p5.js-ball-game) by jameswarrenblack
 
-**P5.js** is a JavaScript library focused on creative coding and visual art. While not exclusively for games, it's great for making interactive graphics, animations, and simple games. It's beginner-friendly and excellent for learning programming through visual feedback. 
+**[P5.js](https://www.codedex.io/p5js)** is a JavaScript library focused on creative coding and visual art. While not exclusively for games, it's great for making interactive graphics, animations, and simple games. It's beginner-friendly and excellent for learning programming through visual feedback. 
 
 Codédex has both full courses available for FREE: