Update contributing library link

Author: Qianqianye

src/content/pages/en/libraries.mdx

@@ -3,4 +3,4 @@ slug: libraries
 title: Libraries
 ---
 
-p5.js welcomes libraries contributed by others! Check out the [libraries tutorial](/contribute/creating_libraries) for more specifics about how to create one. If you have created a library and would like to have it included on this page, [submit a pull request on GitHub!](https://github.com/processing/p5.js-website/blob/main/contributing_libraries.md)
+p5.js welcomes libraries contributed by others! Check out the [libraries tutorial](/contribute/creating_libraries) for more specifics about how to create one. If you have created a library and would like to have it included on this page, [submit a pull request on GitHub!](https://github.com/processing/p5.js-website/blob/main/docs/contributing_libraries.md)