Add NGSI-LD Grafana datasource

README.md

@@ -145,6 +145,7 @@ The FIWARE Catalogue holds the list of official curated contributions to the FIW
 - [FIWARE Orion with Cygnus on AWS](https://github.com/aws-samples/fiware-orion-on-aws) - An implementation for FIWARE Orion and Cygnus on AWS.
 - [Grafana Icon Stat Panel](https://grafana.com/grafana/plugins/orchestracities-iconstat-panel/) - Plugin for QuantumLeap/Grafana which adds icons support to Grafana Stats panel.
 - [Grafana Map Panel](https://grafana.com/grafana/plugins/orchestracities-map-panel/) - Plugin for QuantumLeap/Grafana adds GeoJSON support, icons, popup support and multilayer visualizations to the Grafana Geomap panel.
+- [Grafana NGSI-LD datasource](https://github.com/bfi-de/ngsild-grafana-datasource) - Datasource plugin for Grafana which allows connecting to NGSI-LD compatible context brokers. Supports temporal and geo queries.
 - [node-red-contrib-letsfiware-NGSI](https://github.com/lets-fiware/node-red-contrib-letsfiware-NGSI) - Node-RED implementation for NGSI-v2.
 - [node-red-contrib-NGSI-LD](https://github.com/lets-fiware/node-red-contrib-NGSI-LD) - Node-RED implementation for NGSI-LD.