https://jenkins.io/participate/#review-changes is misplaced as "participate" while it should be rather in the "Contribute" column.
- A new jenkins.io/participate/review-changes page is created
- There is some initial content on this page
- There is a general message that any GitHub user can provide reviews in any repository, and that they are encouraged to do so
- Code Reviews and Core PR Reviewers GitHub teams are mentioned
- Content from https://jenkins.io/participate/#review-changes is moved to the new page
- jenkins.io/participate links the new page