Merge branch 'puff' into 'master'

add puff

Add puff, a password manager rewuested [here](https://f-droid.org/forums/topic/puff-password-manager-for-android/).

See merge request !1732

metadata/sun.bob.leela.txt

@@ -0,0 +1,38 @@
+Categories:Security,Internet
+License:MIT
+Web Site:https://github.com/PuffOpenSource/Puff-Android/blob/HEAD/README.md
+Source Code:https://github.com/PuffOpenSource/Puff-Android
+Issue Tracker:https://github.com/PuffOpenSource/Puff-Android/issues
+Changelog:https://github.com/PuffOpenSource/Puff-Android/releases
+
+Auto Name:Puff
+Summary:Password Utility
+Description:
+Puff provide two ways for quick access your account credentials.
+
+Pin means pin your account information in a notification. As you can see in the
+screenshot, for each credential there is a button in the notification. Click
+that button the credential will be copied to your clipboard automatically. And
+the notification will be dissmissed in 1 minute.
+
+Puff Secure Keyboard is a keyboard, aka input method. You can switch to it like
+other input method programs. The different between Puff keyboard and other IMEs
+is Puff keyboard can access your credential quickly. Just click on the blowfish
+icon and a dialog contains your account list will pop up. Select one and decrypt
+it with your master password. Then click the other three keys in Puff keyboard
+which stands for 'Account', 'Password' & 'Additional Field' which will auto fill
+the corresponding information for you.
+.
+
+Repo Type:git
+Repo:https://github.com/PuffOpenSource/Puff-Android.git
+
+Build:1.0,1
+    commit=v1.0
+    subdir=app
+    gradle=yes
+
+Auto Update Mode:Version v%v
+Update Check Mode:Tags
+Current Version:1.0
+Current Version Code:1