Update contribute.md

Author: adzialocha

docs/about/contribute.md

@@ -2,7 +2,6 @@
 title: How to contribute
 ---
 
-- Please read our [Code of Conduct](https://github.com/p2panda/handbook/blob/main/CODE_OF_CONDUCT.md)
-- Join our official chat: https://wald.liebechaos.org
+- Please read our [Code of Conduct](https://github.com/p2panda/.github/blob/main/CODE_OF_CONDUCT.md)
+- Join our official chat and say hi if you want to learn how to contribute: https://wald.liebechaos.org
 - Check out our issues, PRs and source code on GitHub: https://github.com/p2panda
-- Consult the [guidelines](https://github.com/p2panda/handbook/blob/main/CONTRIBUTING.md) on how to contribute to the specification and code base