NLC Service supports Korean

Author: chughts

README.md

@@ -11,7 +11,8 @@ Node-RED Watson Nodes for IBM Cloud
 - Enable Opt-out option for Conversation Node.
 - Implement time out option for response from Conversation Node.
 - Bump to v 3.2.1 of watson-developer-cloud dependency.
-- Fix to how API version is specified in Natural Language Understanding node. 
+- Fix to how API version is specified in Natural Language Understanding Node.
+- Add Korean to list of languages in Natural Language Classifier Node.
 
 ### New in version 0.6.6
 - Added Mute option for STT Node warning status when running in Streaming mode

services/natural_language_classifier/v1.html

@@ -65,6 +65,7 @@
             <option value="fr">French</option>
             <option value="it">Italian</option>
             <option value="ja">Japanese</option>
+            <option value="ko">Korean</option>
             <option value="pt">Portuguese</option>
             <option value="es">Spanish</option>
         </select>