Métropole d'Aix-Marseille-Provence Feed Disambiguation

[ianktc]

There are 15 feeds all with provider name Métropole d'Aix-Marseille-Provence:

https://mobilitydatabase.org/feeds?q=M%C3%A9tropole+d%27Aix-Marseille-Provence

These feeds are all different, but cover areas within the same region (Métropole d'Aix-Marseille-Provence). It may be more user-friendly to differentiate the feeds by provider in agency.txt or potentially another field in the import? Maybe we can discuss in more detail looking at the import implementation.