Added instant app samples

Author: aritraroy

README.md

@@ -516,6 +516,7 @@ If you want to get started with something quick-and-dirty, then sample projects
 * [Android Architecture](https://github.com/googlesamples/android-architecture) - A collection of samples to discuss and showcase different architectural tools and patterns for Android apps
 * [Android Boilerplate](https://github.com/ribot/android-boilerplate) - Android boilerplate app that showcases architecture and libraries used at ribot
 * [Android Cookbook Examples](https://github.com/IanDarwin/Android-Cookbook-Examples) - Collected code examples from the O'Reilly Android Cookbook
+* [Android Instant Apps](https://github.com/googlesamples/android-instant-apps) - Samples for Android Instant Apps
 * [Android MVP Architecture](https://github.com/MindorksOpenSource/android-mvp-architecture) - This repository contains a detailed sample app that implements MVP architecture using Dagger2, GreenDao, RxJava2, FastAndroidNetworking and PlaceholderView
 * [Android Testing](https://github.com/googlesamples/android-testing) - A collection of samples demonstrating different frameworks and techniques for automated testing
 * [Android Testing Guide](https://github.com/ravidsrk/android-testing-guide) - Complete reference for Android Testing with examples