Define two import pipelines

[maxammann]

Is your feature request related to a problem? Please describe.
In #506 a pipeline name was introduced. The goal of this task is to define two pipelines:

• lbe-bayern: exists already
• nürnberg: does not exist yet and should be empty

Describe the solution you'd like
We already have quite a dynamic way of declaring pipelines. After this task the pipeline name configured in the backend configuration should be used.

Furthermore the backend import command should run multiple pipelines sequentially.

Describe alternatives you've considered
None

Additional context
None