Add Vert.x Json Schema among the implementations

Author: slinkydeveloper

_data/validator-libraries-modern.yml

@@ -90,6 +90,13 @@
       notes: includes custom validator support, rich error returns
 - name: Java
   implementations:
+    - name: Vert.x Json Schema
+      url: https://github.com/eclipse-vertx/vertx-json-schema
+      notes: Validator for Eclipse Vert.x project JSON types.
+      date-draft: []
+      draft: [7]
+      license: Apache License, Version 2.0
+      notes: includes custom keywords support, custom dialect support, asynchronous validation
     - name: Snow
       url: https://github.com/ssilverman/snowy-json
       notes: Uses Maven for the project and Gson under the hood.