Add TOC entry

Author: fcabreramsft

articles/iot-edge/TOC.yml

@@ -53,6 +53,8 @@
       href: how-to-access-dtpm.md
     - name: GPU acceleration
       href: gpu-acceleration.md
+    - nane: Connect a USB device
+      href: how-to-connect-usb-devices.md
   - name: Develop and debugging
     href: tutorial-develop-for-linux-on-windows.md
   - name: Troubleshoot