Clarify implementation state

Author: Relequestual

_data/validator-libraries-modern.yml

@@ -278,7 +278,7 @@
   implementations:
     - name: Reactive Core Circe JSON Validator
       url: https://github.com/reactivecore/rc-circe-json-schema
-      notes: Based on Circe-Library
+      notes: Based on Circe-Library -Early state and API may not be stable. Not yet produciton ready.
       date-draft: [2020-12, 2019-09]
       draft:
       license: Apache License, Version 2.0