chore: update github contribution file

Author: pd93

Diff for: .github/CONTRIBUTING.md

@@ -1,6 +1,14 @@
-* Bug reports and feature requests are welcome in [the issues][issues]
-* Pull Requests are welcome. For more complex changes and features it's
-  recommended to open an issue with the feature request first
-* Documentation contributions are as important as code contributions
+## You can find our [contribution guide on our website][contributing]
 
+- Please read it carefully before opening a PR.
+- If you have any questions, you can:
+  - [Open an issue][issues]
+  - [Create a discussion][discussions]
+  - [Chat to us on Discord][discord]
+
+<!-- prettier-ignore-start -->
+[contributing]: https://taskfile.dev/contributing
 [issues]: https://github.com/go-task/task/issues
+[discussions]: https://github.com/go-task/task/discussions
+[discord]: https://discord.gg/6TY36E39UK
+<!-- prettier-ignore-end -->