Link to other platforms

Author: steipete

README.md

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 Cordova Wrapper for PSPDFKit 7 for iOS
 ========================================
 
+The [PSPDFKit SDK](https://pspdfkit.com/pdf-sdk/) is a framework that allows you to view, annotate, sign, and fill PDF forms on iOS, Android, Windows, macOS, and Web. [PSPDFKit Instant](https://pspdfkit.com/instant/) adds real-time collaboration features to seamlessly share, edit, and annotate PDF documents.
+
+PSPDFKit comes with open source wrappers for Cordova on both [iOS](https://pspdfkit.com/guides/ios/current/other-languages/apache-cordova-phonegap/) and [Android](https://pspdfkit.com/guides/android/current/other-languages/apache-cordova-phonegap/).
+
 **This plugin works with Cordova version 6.3.1 and above.**  
 **Please also make sure that you're using the latest version of Xcode 9.**