Link to SSH keys role in README results in 404

[Lyannic]

Description

When clicking the link to the SSH keys role in the README, a 404 page is being displayed.

To reproduce

1. Open the project's README at https://github.com/hifis-net/ansible-collection-toolkit
2. Click on the link SSH key in the bullet point distribute authorized SSH keys to users
3. See that GitHub shows a 404 page

Current behavior

A 404 page is being displayed

Expected behavior

The SSH key role directory is displayed

OS / Environment

Not OS and environment dependent

Ansible version

Has nothing to do with Ansible

Collection version

v4.7.0

Additional context

The current link is https://github.com/hifis-net/ansible-collection-toolkit/blob/main/role/ssh_keys. I think that it is supposed to be https://github.com/hifis-net/ansible-collection-toolkit/tree/main/roles/ssh_keys.