Add Grafana community plugin example

Author: hodgesrm

grafana/README.md

@@ -0,0 +1,28 @@
+# Sample Grafana dashboards for Altinity Grafana Plugin for ClickHouse
+
+## Install Grafana on Ubuntu
+See https://grafana.com/docs/grafana/latest/setup-grafana/installation/debian/
+```
+sudo apt update
+sudo apt install grafana=11.0.0
+```
+
+Run this on any Linux host you want to monitor. 
+
+## Installing Grafana dashboard
+
+1. First install Grafana.
+2. Add [Altinity Grafana plugin](https://grafana.com/grafana/plugins/vertamedia-clickhouse-datasource/).
+
+## Add data source for Altinity github project
+
+URL: https://github.demo.trial.altinity.cloud:8443
+Login: demo
+Password: demo
+
+## SQL views for examples. 
+
+Use SQL scripts to create Altinity views. 
+```
+alias cc-batch='clickhouse-client -m -n --verbose -t --echo -f PrettyCompact --output_format_pretty_row_numbers=0'
+```