Include Google Play and F-Droid links to README

README.md

@@ -8,6 +8,7 @@
 
 This repository contains all the code related to the Android native application of [Rocket.Chat](https://github.com/RocketChat/Rocket.Chat/#about-rocketchat). To send new pull-requests, always use the branch `develop` as base and open an issue with the description of what you want/need to accomplish, if the issue wasn't created yet.
 
+[![](https://user-images.githubusercontent.com/551004/48210434-74c07100-e35e-11e8-8eee-3ba84ffa74d7.png)](https://play.google.com/store/apps/details?id=chat.rocket.android) [![](https://user-images.githubusercontent.com/551004/48210349-50649480-e35e-11e8-97d9-74a4331faf3a.png)](https://f-droid.org/en/packages/chat.rocket.android/)
 
 ## How to build