chore(docs): update readme with store links (#186)

README.md

@@ -4,7 +4,21 @@
 
 This is the repository for **_qBittorrent Manager_**, an Android app for managing [qBittorrent](http://www.qbittorrent.org/) remotely, written in Kotlin.
 
-## Current Previews
+## Download
+
+<a href="https://f-droid.org/packages/dev.yashgarg.qbit">
+    <img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png"
+      alt="Get it on F-Droid"
+      height="80">
+</a>
+
+<a href="https://play.google.com/store/apps/details?id=dev.yashgarg.qbit">
+  <img src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png"
+    alt="Get it on Google Play"
+    height="80" />
+</a>
+
+## Previews
 
 <p align="center">
   <img width="48%" src="art/screen-1.png">
@@ -14,3 +28,7 @@ This is the repository for **_qBittorrent Manager_**, an Android app for managin
   <img width="48%" src="art/screen-5.png">
   <img width="48%" src="art/screen-6.png">
 </p>
+
+## License
+
+See [LICENSE](LICENSE.txt)