Update 'Seeed Wio Terminal/README.md'

Seeed Wio Terminal/README.md

 - Go to File -> Preferences, and add the following URL to the list of boards
 - `https://files.seeedstudio.com/arduino/package_seeeduino_boards_index.json`
 - Go to Tools -> Board -> Board Manager and find Seeed Wio Terminal
-- Select board from the list
+- Select board from the list
+
+# Examples
+## WiFi Scan
+A simple program that continually scans for WiFi networks and prints them to the screen in a list. They are colour coded according to strength, and encrypted networks are marked with a \*.