Update reference.yml

Author: JiayueHu

docs-ref-mapping/reference.yml

@@ -202,6 +202,11 @@
         landingPageType: Service
         children:
         - azure-cognitiveservices-newssearch  
+      - name: Bing Spell Check
+        uid: azure.nodejs.sdk.landingPage.services.Cognitive.Services.Text.SpellCheck
+        landingPageType: Service
+        children:
+        - azure-cognitiveservices-spellcheck
       - name: Custom Vision Training
         uid: azure.nodejs.sdk.landingPage.services.Cognitive.Services.Bing.VisualSearch
         landingPageType: Service
@@ -243,11 +248,6 @@
         landingPageType: Service
         children:
         - azure-cognitiveservices-textanalytics
-      - name: Spell Check
-        uid: azure.nodejs.sdk.landingPage.services.Cognitive.Services.Text.SpellCheck
-        landingPageType: Service
-        children:
-        - azure-cognitiveservices-spellcheck
       - name: Speech Service
         uid: microsoft-cognitiveservices-speech-sdk
         landingPageType: Service