Update README to list iPhone 15 series.

Author: Zandor300

README.md

@@ -30,6 +30,10 @@ regular status bar items on the following devices:
 - iPhone 14 Plus
 - iPhone 14 Pro
 - iPhone 14 Pro Max
+- iPhone 15
+- iPhone 15 Plus
+- iPhone 15 Pro
+- iPhone 15 Pro Max
 
 Since a circular indicator wouldn't fit, a rectangular [KITT scanner](https://giphy.com/gifs/80s-nbc-knight-rider-Bo2WsocASVBm0)-like indicator with a gradient is shown. The indicator UI can be used standalone or as a "fix" for the iOS network activity indicator (using the existing API).