Example for configuration file:
Collection: BasicPeople ana.athena adolf.sidney borat.newyork maria.madrid TeamMars
Collection: DevOpsPeople dragos.muscel daniel.berlin derek.liverpool celine.paris odette.london
Collection: TeamMars frederik.bologna isabella.chicago emily.tokio mio.bucharest odette.london
Collection: TeamVenus olivia.brasilia
Group: Dotnet BasicPeople: 30 DevOpsPeople: 40 odette.london: 50
Group: Java TeamMars: 40 DevOpsPeople: 40 BasicPeople: 20
Project: Python\Neptune emily.tokio: 50 dragos.muscel: 20 TeamVenus: 30