message: Add hint link for "Exposed Metrics" challenge
diff: description: 'Find the endpoint that serves usage data to be scraped by a <a href="https://github.com/prometheus/prometheus">popular monitoring system</a>.'
  difficulty: 1
  hint: 'Try to guess what URL the endpoint might have.'
  - hintUrl: ''
  + hintUrl: 'https://pwning.owasp-juice.shop/part2/sensitive-data-exposure.html#find-the-endpoint-that-serves-usage-data-to-be-scraped-by-a-popular-monitoring-system'
  key: exposedMetricsChallenge
  