Merge branch 'mr2'

README.md

-# Wrong Pin Shutdown
+# Wrong PIN Shutdown
 
 This simple app monitors the number of failed login attempts.
 If a certain number of attempts is exceeded, the device is automatically shut down.
@@ -6,3 +6,9 @@ If a certain number of attempts is exceeded, the device is automatically shut do
 This app only works on a **rooted** device.
 You have to grant the app permanent superuser privileges and register it as a device administrator.
 These steps are automatically initiated on the first startup.
+
+![Screenshot of Wrong PIN Shutdown](fastlane/metadata/android/en-US/images/phoneScreenshots/main.png)
+
+[<img src="https://f-droid.org/badge/get-it-on.png"
+     alt="Get it on F-Droid"
+     height="80">](https://f-droid.org/packages/org.nuntius35.wrongpinshutdown/)