Add supported version to new library addition

Author: Anthropic

implementations.md

@@ -150,7 +150,7 @@ For example, the only incompatibilities between draft-04 and draft-06 involve `e
 -   Python
     -   [Pydantic](https://pydantic-docs.helpmanual.io/) (MIT) - generates schemas from Python models based on Python 3.6+ type hints.
 -   Java
-    -   [jsonschema-generator](https://github.com/victools/jsonschema-generator) (Apache 2.0) - generates schemas from Java types
+    -   [jsonschema-generator](https://github.com/victools/jsonschema-generator) (Apache 2.0) - generates schemas from Java types *supports Draft 7*
 
 #### From data