chore(doc): add link to README.md#contacts

tools/cli-client/README.md

@@ -11,9 +11,9 @@ A CLI client that triggers GitHub workflows for building, uploading and releasin
 See ["How to Contribute as a Maintainer"](https://github.com/canonical/oci-factory?tab=readme-ov-file#as-a-maintainer--).
 
 Upon finishing the onboarding, the user should add their GitHub username to the `contacts.yaml` file in the
-`maintainers` field of the corresponding rock. This field is a list of GitHub usernames that are allowed to
-trigger the build, upload, and release workflows. The onboarded user needs to generate a GitHub Personal Access Token
-to authenticate themselves when using the CLI client.
+[`maintainers` field](../../README.md#contacts) field of the corresponding rock. This field is a list of GitHub
+usernames that are allowed to trigger the build, upload, and release workflows. The onboarded user needs to 
+generate a GitHub Personal Access Token to authenticate themselves when using the CLI client.
 
 For a non-interactive terminal of the CLI client, it is possible to assign the token to the environmental variable 
 `export GITHUB_TOKEN=<your token>`, and pass `-y` to confirm the triggering by default.