Changes to Create a traffic policy

added TrafficPolicyBackendRole to the backends/items/role request property allOf list

added TrafficPolicyEndpoint to the endpoint request property allOf list

added TrafficPolicyMode to the mode request property allOf list

removed the enum value canary of the request property backends/items/role

removed the enum value canary of the request property mode

removed the enum value member of the request property backends/items/role

removed the enum value stable of the request property backends/items/role

removed the enum value weighted of the request property mode

the backends/items/role request property type changed from string to no type

the endpoint request property type changed from object to no type

the mode request property type changed from string to no type

the backends/items/role response's property type changed from string to no type for status 201

the endpoint response's property type changed from object to no type for status 201

the mode response's property type changed from string to no type for status 201

the phase response's property type changed from string to no type for status 201

removed the request property endpoint/hostname

removed the request property endpoint/path

removed the optional property endpoint/hostname from the response with the 201 status

removed the optional property endpoint/path from the response with the 201 status

added TrafficPolicyBackendRole to the backends/items/role response property allOf list for the response status 201

added TrafficPolicyEndpoint to the endpoint response property allOf list for the response status 201

added TrafficPolicyMode to the mode response property allOf list for the response status 201

added TrafficPolicyPhase to the phase response property allOf list for the response status 201

removed the Creating enum value from the phase response property for the response status 201

removed the Degraded enum value from the phase response property for the response status 201

removed the Deleted enum value from the phase response property for the response status 201

removed the Deleting enum value from the phase response property for the response status 201

removed the Failed enum value from the phase response property for the response status 201

removed the Pending enum value from the phase response property for the response status 201

removed the Ready enum value from the phase response property for the response status 201

removed the canary enum value from the backends/items/role response property for the response status 201

removed the canary enum value from the mode response property for the response status 201

removed the member enum value from the backends/items/role response property for the response status 201

removed the stable enum value from the backends/items/role response property for the response status 201

removed the weighted enum value from the mode response property for the response status 201