Add flasher gif

Author: karlsoderby

content/hardware/02.uno/boards/uno-q/tutorials/04.update-image/assets/flashing-tool.gif

@@ -136,6 +136,10 @@ In this step, we will upload the new image to the board using the Arduino Flashe
 4. A download sequence will begin (the image is >1 GB). Once the download is complete, it will flash the board with the new image. **Please note:** this will take several minutes. Do **not** disconnect the USB cable during this process.
 5. Once flashing completes and the tool reports success, **power-cycle** the board (unplug and re-plug USB) so it boots the new OS.
 
+The steps above are summarized in the graphic below:
+
+![Flashing the UNO Q](assets/flashing-tool.gif)
+
 ## Troubleshooting
 
 - Ensure the Arduino Flasher CLI is unzipped and accessible.