* Return id, version, schema, and subject after creating a new schema
* Throw 422 error code if incoming new schema is unprocessable entity due to invalid fields
* Return 409/Conflict error code if schema is duplicate. Change endpoint of createNewSchema method
* Fix submitting new subject or new version if the subject already exists
* Include schema type to schema objects. By default it's AVRO
* [ISSUE-200] Update FE to support new version of api
* Add one more schema-registry with version 5.5.0 to docker-compose files and app properties
* Upgrade Confluent service versions in tests up to 5.5.0
* Set schemaType is required and ignore when submitting to Schema Registry if it's NULL
Co-authored-by: Oleg Shuralev <workshur@gmail.com>
