fix(contact.md): correct Discord chat link formatting for better readability

The Discord chat link formatting is adjusted to improve clarity and ensure users can easily identify and access the chat link. This change enhances the user experience by making the instructions more straightforward.

Author: mauvehed

content/contact.md

@@ -9,4 +9,4 @@ Should you need to make contact with AHA, you can use one of the following and d
 
 - **Email**: [aha@takeonme.org](mailto:aha@takeonme.org)
 - **PGP**: Email us from your [Proton Mail](https://proton.me/support/proton-mail-encryption-explained) to ours
-- **Discord**: Ask for assistance in [chat](#aha-public)
+- **Discord**: Ask for assistance in [chat](chat) (#aha-public)