Add options parameter to addKeyword method

Author: taylortom

lib/JsonSchemaModule.js

@@ -140,9 +140,11 @@ class JsonSchemaModule extends AbstractModule {
   /**
    * Adds a new keyword to be used in JSON schemas
    * @param {Object} definition AJV keyword definition
+   * @param {Object} options Configuration options
+   * @param {Boolean} options.override Whether to override an existing definition
    */
-  addKeyword (definition) {
-    this._library.addKeyword(definition)
+  addKeyword (definition, options) {
+    this._library.addKeyword(definition, options)
   }
 
   /**