add version requirement in README.md

chicco785 · chicco785 · commit 9f7d61f2263f · 2022-04-19T18:56:14.000+02:00
diff --git a/README.md b/README.md
@@ -39,6 +39,8 @@ Pupup Options:
 
 ![Example3](https://github.com/orchestracities/grafana-map-plugin/raw/master/example3.png)
 
+It requires Grafana >=8.2.0
+
 ## Usage with PostGis
 
 To use the plugin with PostGis, you need either to query longitude and latitude from a stored `Point`, e.g.:
