docs: Add a note on how to enable USB storage on a RPi3b
@@ -46,6 +46,14 @@ partition as `ext4` (or similar), and use it for persistent storage.
**TODO:** Experiment with and document this set up.
+To enable and external USB stick as disk, add the following to the
+onboot section in your YAML:
+
+```
+ - name: usb-storage
+ image: linuxkit/modprobe:<hash>
+ command: ["modprobe", "usb_storage"]
+```
## Networking
