Update README.md

Author: TikhomirovSergey

README.md

@@ -131,6 +131,7 @@ You can get it on [WIKI](https://github.com/appium/java-client/wiki)
 - [ENHANCEMENT]. TouchID Implementation (iOS Sim Only). Details: [#509](https://github.com/appium/java-client/pull/509)
 - [ENHANCEMENT]. The ability to use port, ip and log file as server arguments was provided. Feature request: [#521](https://github.com/appium/java-client/issues/521). Fixes: [#522](https://github.com/appium/java-client/issues/522), [#524](https://github.com/appium/java-client/issues/524).
 - [ENHANCEMENT]. The new interface ```io.appium.java_client.android.HasDeviceDetails``` was added. It is implemented by ```io.appium.java_client.android.AndroidDriver``` by default. [#518](https://github.com/appium/java-client/pull/518)
+- [ENHANCEMENT].New touch actions were added. ```io.appium.java_client.ios.IOSTouchAction#doubleTap(WebElement, int, int)``` and ```io.appium.java_client.ios.IOSTouchAction#doubleTap(WebElement)```. [#523](https://github.com/appium/java-client/pull/523), [#444](https://github.com/appium/java-client/pull/444)
 - [BUG FIX]: There was the issue when "@WithTimeout" was changing general timeout of the waiting for elements. Bug report: [#467](https://github.com/appium/java-client/issues/467). Fixes: [#468](https://github.com/appium/java-client/issues/468), [#469](https://github.com/appium/java-client/issues/469), [#480](https://github.com/appium/java-client/issues/480). Read: [supported-settings](https://github.com/appium/appium/blob/master/docs/en/advanced-concepts/settings.md#supported-settings)
 - Added the server flag `io.appium.java_client.service.local.flags.AndroidServerFlag#REBOOT`. [#476](https://github.com/appium/java-client/pull/476)
 - Added `io.appium.java_client.remote.AndroidMobileCapabilityType.APP_WAIT_DURATION ` capability. [#461](https://github.com/appium/java-client/pull/461)