* add validteJsonElement * add oneOf support * various fixes, add tests * minor fixes * minor fixes * update data class * remove comments * array support, add test * update api client constructor * add anyOf support * add new files * fix merge * update * update * update * update
* [Kotlin] Use Mutable container types when 'modelMutable' is enabled * Generate sample 'kotlin' project with mutable models * Generate sample 'kotlin-server' project with mutable models * Generate sample 'kotlin-vertx' project with mutable models * Generate sample 'ktorm-schema' project with mutable models Co-authored-by: Bruno Coelho <4brunu@users.noreply.github.com>