Changes to Get Hydra service metadata

the error response's property type changed from string to object for status 401

removed the optional property message from the response with the 401 status

added the required property error/code to the response with the 401 status

added the required property error/message to the response with the 401 status

removed the required property accuracy from the response with the 200 status

removed the required property aucRoc from the response with the 200 status

removed the required property type from the response with the 200 status

removed the required property version from the response with the 200 status

removed the optional property featureImportance from the response with the 200 status

removed the optional property features from the response with the 200 status

removed the optional property isProduction from the response with the 200 status

removed the optional property lastTraining from the response with the 200 status

removed the optional property trainingSamples from the response with the 200 status

added the optional property architecture to the response with the 200 status

added the optional property authentication to the response with the 200 status

added the optional property licensing to the response with the 200 status

added the optional property rateLimit to the response with the 200 status

added the required property endpoints to the response with the 200 status

added the required property methodology to the response with the 200 status

added the required property service to the response with the 200 status

added the required property timestamp to the response with the 200 status

the response property dataSources became optional for the status 200

the response property featureImportance became optional for the status 200

the response property features became optional for the status 200

the response property isProduction became optional for the status 200

the response property lastTraining became optional for the status 200

the response property message became optional for the status 401

the response property trainingSamples became optional for the status 200

removed the optional property dataSources/ooni from the response with the 200 status

removed the optional property dataSources/sensors from the response with the 200 status

removed the optional property dataSources/telemetry from the response with the 200 status

removed the optional property nextTraining from the response with the 200 status

the endpoint scheme security ApiKeyAuth was added to the API

removed the required property federatedNodes from the response with the 200 status