Merge pull request #73 from nextcloud/f-droid-batch

replace f-droid text link with a badge

README.md

@@ -1,12 +1,12 @@
 # [Nextcloud](https://nextcloud.com) Android app
 
-<a href="https://play.google.com/store/apps/details?id=com.nextcloud.client" alt="Download from Google Play">
-  <img src="http://www.android.com/images/brand/android_app_on_play_large.png">
-</a>
+[<img src="http://www.android.com/images/brand/android_app_on_play_large.png" 
+      alt="Download from Google Play" 
+      height="80">](https://play.google.com/store/apps/details?id=com.nextcloud.client")
 
-or via f-droid
-- [stable](https://f-droid.org/repository/browse/?fdfilter=Nextcloud&fdid=com.nextcloud.client)
-- [beta](https://f-droid.org/repository/browse/?fdfilter=Nextcloud&fdid=com.nextcloud.android.beta)
+[<img src="https://f-droid.org/badge/get-it-on.png"
+      alt="Get it on F-Droid"
+      height="80">](https://f-droid.org/repository/browse/?fdfilter=com.nextcloud)
 
 **Build status:** master ![](https://api.travis-ci.org/nextcloud/android.svg?branch=master)