Changes to Add sender

response property stream list-of-types was widened by adding types null to media type application/json of response 201

the name request property's maxLength was set to 255

added the new EMAIL enum value to the senderType response property for the response status 201

added the new UNKNOWN enum value to the senderType response property for the response status 201

added the new UNKNOWN enum value to the status response property for the response status 201

api operation id addSender removed and replaced with create_sender

the endpoint scheme security APIKeyHeader was added to the API

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 422

added the non-success response with the status 500

the response property dailyLimit became required for the status 201

the response property id became required for the status 201

the response property name became required for the status 201

the response property senderType became required for the status 201

the response property status became required for the status 201

the response property value became required for the status 201

added the success response with the status 200