Added data_provider_id to stops

Author: schnuerle

general-information.md

@@ -226,7 +226,8 @@ Stops describe vehicle trip start and end locations in a pre-designated physical
 | capacity               | {vehicle_type: number}                                | Required | Number of total places per vehicle_type |
 | num_vehicles_available | {vehicle_type: number}                                | Required | How many vehicles are available per vehicle_type at this stop? |
 | num_vehicles_disabled  | {vehicle_type: number}                                | Required | How many vehicles are unavailable/reserved per vehicle_type at this stop? |
-| provider_id            | UUID                                                  | Optional | UUID for the Provider managing this stop. Null/undefined if managed by an Agency.  See MDS [provider list](/providers.csv). |
+| provider_id            | UUID                                                  | Optional | UUID for the provider managing this stop. Null/undefined if managed by an agency.  See MDS [provider list](/providers.csv). |
+| data_provider_id       | UUID                                                  | Optional | UUID for the data provider managing the data coming from this stop. Null/undefined if managed by an agency or a provider.  See MDS [provider list](/providers.csv). |
 | geography_id           | UUID                                                  | Optional | Pointer to the [Geography](/geography) that represents the Stop geospatially via Polygon or MultiPolygon. |
 | region_id              | string                                                | Optional | ID of the region where station is located, see [GBFS Station Information][gbfs-station-info] |
 | short_name             | String                                                | Optional | Abbreviated stop name |