Removed 2019-09 from supported drafts, added to codegen generated types

Author: pwall567

_data/validator-libraries-modern.yml

@@ -130,7 +130,7 @@
     - name: json-kotlin-schema
       url: https://github.com/pwall567/json-kotlin-schema
       notes: Kotlin implementation of JSON Schema
-      date-draft: [2019-09]
+      date-draft:
       draft: [7]
       license: MIT
 - name: JavaScript

implementations.md

@@ -197,7 +197,7 @@ are the only keywords that changed.
 -   Java
     - [jsonCodeGen](https://github.com/schlothauer-wauer/jsoncodegen) (MIT) - Groovy based generation tasks from JSON schema. Already includes templates/generators for Java Beans, Swagger specification files and PlantUML diagrams.
 -   Kotlin
-    - [json-kotlin-schema-codegen](https://github.com/pwall567/json-kotlin-schema-codegen) (MIT) - Generates Kotlin data classes from JSON Schema.
+    - [json-kotlin-schema-codegen](https://github.com/pwall567/json-kotlin-schema-codegen) (MIT) - Generates Kotlin data classes, Java classes or TypeScript interfaces from JSON Schema.
 -   Online (web tool)
     -   [quicktype.io](https://app.quicktype.io/#l=schema) - infer JSON Schema from samples, and generate TypeScript, C++, go, Java, C#, Swift, etc. types from JSON Schema
 -   PHP