* Update local example to mention the path ownership required
* Drop grafana7.4 docker-compose example
* Drop docker-compose example for gcs
* Drop docker-compose example for azure
* Drop docker-compose example for s3
* Update docker compose examples
* Drop deprecated `version` field
* Add init service to chown the volume on startup and set dependency for ordered startup
* Use yaml reference for docker image specification
* Update docker compose example commands for deprecation
* Update top docker-compose readme to point to our docs
* Update integration readme for docker compose command deprecation
* Update tk readme for docker compose command deprecation
* Remove s3 docker compose example and point to the top of the example/docker-compose
* Update wording slightly
* Update changelog
* Be less specific about the possible backend configurations.
