Make docker compose setup self contained

[KonradHoeffner]

Adds the ols-config-importer and the ols-indexer to the docker compose setup.
Instead of the multi-step method, a single docker-compose up is all that is needed.
See #575.

[matentzn]

If this works I will cry a few tears of joy..

[jamesamcl]

@matentzn it does but it means you have to run the config importer and indexer every time you start OLS. I think this is probably fine though as OLS only reindexes ontologies that have changed.

[matentzn]

Forgot about the indexing - I always had to redo it anyways, but yes, this is a problem! This wont work for a setup like ebis with many ontologies - but most external use cases load a handful of ontologies into OLS. This interplay of docker containers for services and indexing is a real nightmare.

[KonradHoeffner]

I could try adding profiles so that it could be configured whether the importer and indexer should be run or not.