Add polar clock app

metadata/eu.polarclock.txt

@@ -0,0 +1,22 @@
+Categories:Reading
+License:GPLv3+
+Web Site:
+Source Code:https://github.com/beriain/PolarClock
+Issue Tracker:https://github.com/beriain/PolarClock/issues
+
+Summary:A polar clock
+Description:
+A polar clock, inspired by [http://blog.pixelbreaker.com/polarclock the one made
+by pixelmaker]:
+.
+
+Repo Type:git
+Repo:https://github.com/beriain/PolarClock
+
+Build:1.1,2
+    commit=1.1
+    subdir=app
+    gradle=yes
+
+Auto Update Mode:None
+Update Check Mode:RepoManifest