Rework README.md (#8)

Reviewed-on: #8

README.md

@@ -47,6 +47,8 @@ Available for **iOS**, **iPadOS**, **Android**, **macOS**, and **Windows**.
 
 It features quick status presets, a custom color picker with saveable presets, a brightness slider, and background polling to keep the UI in sync with the device.
 
+![busylight-buddy-screenshot](resources/images/buddy-ios-screenshot-main.png)
+
 # Stream Deck plug-in
 
 You can download the Stream Deck plugin to control your BusyLight: