title: Amcharts 4 maps, url in popup
body: <p>Can anyoe please help how I can I use a clickable URL link in a popup?
  There is available documentation for using in tooltip but not in popup
  <a href="https://www.amcharts.com/docs/v4/tutorials/clickable-links-in-tooltips/" rel="nofollow noreferrer">https://www.amcharts.com/docs/v4/tutorials/clickable-links-in-tooltips/</a></p>