* Update mysql.md

* Update docs/administration-guide/databases/mysql.md

Co-authored-by: Jeff Bruemmer <jeff@metabase.com>

* Added examples of docker run and docker-compose, not sure about the format though

* a well formatted yml file for docker compose

* A new commit for refreshing the PR and also I removed a modifier that shouldn't be there

Co-authored-by: Jeff Bruemmer <jeff@metabase.com>