Timeline for maps

[larafaelivrin]

Implement a template that visualizes a timeline for maps.

[jb3-2]

see e.g.

• https://statistik.zh.ch/internet/justiz_inneres/statistik/de/aktuell/mitteilungen/2016/Leerwohnungen_2015.html#title-content-internet-justiz_inneres-statistik-de-aktuell-mitteilungen-2016-Leerwohnungen_2015-jcr-content-contentPar-textimage_14
• https://www.web.statistik.zh.ch/cms_vis/leerwhng_quote/index.php

[jb3-2]

See also

• https://forum.highcharts.com/highmaps-usage-f14/is-it-possible-to-combine-timeline-slider-with-map-t38600/
• https://www.highcharts.com/blog/tutorials/176-charts-in-motion/