[dsc] Geomap of queries per country in Grafana

[Jerry Lundström]

Hi all,

I just added a wiki on how you could use DSC+Grafana to create a map of
queries per country:


<https://github.com/DNS-OARC/dsc-datatool/wiki/Grafana-Geomap-of-queries-per-country>

Hope it's helpful for someone and let me know if you see any errors in
the setup description.

Cheers,
Jerry