Create a "Provider Manifest" endpoint for operating dates/down time dates/service suspension

Edit by @schnuerle - turning this issue into a 'Provider Manifest' issue which includes what you'd like to see here, similar to system_information in GBFS and complimentary to agency's Policy Requirements. Original issue title was: "Provide the operating date ranges within the Provider API so that we know when to query data"

Is your feature request related to a problem? Please describe.

We are struggling to know the collection of date ranges when a provider has been operating in the city.
It makes it difficult to query efficiently the Provider API. It makes it difficult for the city to have a good visibility on this key information.

Describe the solution you'd like

I wonder whether this info could be provided within the Provider API as part of an info endpoint. The operating zone could also be provided by the operator this way, as well as the data availability. Operators may indeed have no data historically for certain periods they were operating due to technical issues.

Is this a breaking change

No, it's not a breaking change. It's additive

Impacted Spec

• provider

Describe alternatives you've considered

Asking directly the city or the provider. Trial & guess day by day in the provider API ingestion.

Additional context

NA

Start with the provider section of the specification and compare the requested manifest with GBFS's system_information reference. Define the agreed endpoint scope for operating dates, downtime or service suspension, operating zone, and data availability, then document the final fields and acceptance criteria.