Retrieve config from document database

[quaat]

Retrieve datasources configuration, parser configuration and entities from document database https://cloud.mongodb.com/v2/626fa88ee026552ec7e16d33#clusters/detail/SOFTCluster

[CasperWA]

For this the guest user should be used, but it would be great with support for a non-committed .env file where the authentication configurations could be changed.
By non-committed I mean that it the .env file should never be published in the repo and added to .gitignore.