doc(README): update contributing guidelines

ade624c2 · Jelle van der Waa · 98f55879 · ade624c2
Commit ade624c2 authored Jun 27, 2022 by Jelle van der Waa 🚧
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ Links
 -----

 * The repository is hosted at https://gitlab.archlinux.org/archlinux/aurweb
-  -- see doc/CodingGuidelines for information on the patch submission process.
+  -- see [CONTRIBUTING.md](./CONTRIBUTING.md) for information on the patch submission process.

 * Bugs can (and should) be submitted to the aurweb bug tracker:
  https://gitlab.archlinux.org/archlinux/aurweb/-/issues/new?issuable_template=Bug