docs: add stuff

apps/docs/src/content/docs/external-contributors-guide/index.mdx

@@ -10,7 +10,7 @@ Welcome to the external contributors guide! This guide is designed to help you g
 In this section, you'll find the following topics:
 
 - [Who we are](./external-contributors-guide/who-we-are)
-- [How to get started](./how-to-contribute)
+- [How to get started](./external-contributors-guide/how-to-get-started)
 
 We hope you find this guide helpful! If you have any questions, feel free to reach out to us from [this linktree](https://linktr.ee/cuhacking_) and check out [this page](./external-contributors-guide/who-we-are) to book a meeting with us. We're always happy to help! 🚀