Update doc to offer ios-deploy installation through Homebrew
MODIFY
docs/en/drivers/ios-xcuitest-real-devices.md
docs/en/drivers/ios-xcuitest-real-devices.md
@@ -12,11 +12,14 @@ brew install libimobiledevice
In addition to the dependency on `libimobiledevice`, Appium support for real
devices running iOS 9.3 and above using Xcode 8+ also depends on `ios-deploy`,
-which is easily available through [npm](https://www.npmjs.com/package/ios-deploy):
+which is easily available through [npm](https://www.npmjs.com/package/ios-deploy) or [Homebrew](http://brew.sh/):
```
npm install -g ios-deploy
```
+```
+brew install ios-deploy
+```
The way that the XCUITest driver works is via the installation of a helper
application called `WebDriverAgent-Runner` onto the device, through which the

Update doc to offer ios-deploy installation through Homebrew