L2SS-358: Add grafana plugins for tables with coloured rows, and to draw...

L2SS-358: Add grafana plugins for tables with coloured rows, and to draw classic x/y graphs (instead of timeseries).

docker-compose/grafana/Dockerfile

 FROM grafana/grafana
 
+# Install some plugins
+RUN grafana-cli plugins install briangann-datatable-panel
+RUN grafana-cli plugins install ae3e-plotly-panel
+
 COPY grafana.ini /etc/grafana/
 
 # Add default configuration through provisioning (see https://grafana.com/docs/grafana/latest/administration/provisioning)

ska-tango-grafana-exporter @ dddb23ff

-Subproject commit 774d39a40ca19c9d979ad22565e57b4af3e9a831
+Subproject commit dddb23ff587f6e9c837cdb77e7955e94272eca6f