add (stable) nextcloud client

metadata/com.nextcloud.client.txt

@@ -0,0 +1,28 @@
+Categories:Internet
+License:GPLv2
+Web Site:https://www.nextcloud.com
+Source Code:https://github.com/nextcloud/android
+Issue Tracker:https://github.com/nextcloud/android/issues
+Changelog:https://github.com/nextcloud/android/blob/HEAD/CHANGELOG.md
+Donate:https://www.bountysource.com/teams/nextcloud
+
+Auto Name:Nextcloud
+Summary:Synchronization client
+Description:
+A safe home for all your data. Access & share your files, calendars, contacts,
+mail & more from any device, on your terms. This is the official Android app.
+.
+
+Repo Type:git
+Repo:https://github.com/nextcloud/android.git
+
+Build:1.0.0,10000000
+    commit=stable-1.0.0
+    submodules=yes
+    gradle=yes
+    rm=libs/disklrucache*,user_manual
+
+Auto Update Mode:Version stable-%v
+Update Check Mode:Tags ^stable
+Current Version:1.0.0
+Current Version Code:10000000