MySQL: Update README.md (#29003)
MySQL: Update README.md (#29003)

* Update README.md

sp

[skip ci] [ci skip]

* Update public/app/plugins/datasource/mysql/README.md

Co-authored-by: Torkel Ödegaard <2444f623261649beda78f6b78b885295d1709b1e@grafana.com>
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana