Create schema exporter

POST {{SCHEMA_REGISTRY_BASE_URL}}/exporters

Request Body

{"name"=>"test-exporter", "contextType"=>"CUSTOM", "context"=>"test-context", "subjects"=>["foo"], "subjectRenameFormat"=>"test_${subject}", "config"=>{"schema.registry.url"=>"<Physical SR Endpoint>", "basic.auth.credentials.source"=>"USER_INFO", "basic.auth.user.info"=>"<SR Credentials>"}}