Changes to Create School Contract

request property free_months list-of-types was narrowed by removing types integer from media type application/json

response property free_months list-of-types was widened by adding types number to media type application/json of response 200

the free_months/anyOf[subschema #1] response's property type changed from integer to number for status 200

added the new optional request property launch_guarantee

added the new optional request property launch_guarantee_end_date

the free_months/anyOf[subschema #1] request property type was generalized from integer to number

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

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

added the new optional request property billing_rhythm

added the new optional request property levels

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

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