Adding link

Author: erhopf

articles/cognitive-services/Speech-Service/toc.yml

@@ -432,8 +432,10 @@
   items:
   - name: Overview
     items:
-    - name: Speech Devices SDK
+    - name: About the Speech Devices SDK
       href: speech-devices-sdk.md
+    - name: Get the Speech Devices SDK
+      href: get-speech-devices-sdk.md
   - name: Hardware
     items:
     - name: Microphone array recommendations