chore: update support link (#501)

Co-authored-by: Farhan Khwaja <132962163+farhanW3@users.noreply.github.com>

Author: warengonzaga

README.md

@@ -58,6 +58,7 @@ We welcome contributions! See [How to contribute](./contributing.md).
 
 ## Get in touch
 
-- Support: [Join the Discord](https://discord.gg/thirdweb)
+- Community: [Join us on Discord](https://discord.gg/thirdweb)
+- Support: <https://thirdweb.com/support>
 - Twitter: [@thirdweb](https://twitter.com/thirdweb)
 - Report a vulnerability: security@thirdweb.com