Added Silverfish launcher app

metadata/com.launcher.silverfish.txt

@@ -0,0 +1,31 @@
+Categories:System,Theming
+License:GPLv3
+Web Site:
+Source Code:https://github.com/stanipintjuk/Silverfish
+Issue Tracker:https://github.com/stanipintjuk/Silverfish/issues
+
+Auto Name:Silverfish
+Summary:A launcher with focus on a simple UI
+Description:
+A launcher with a "less is more" philosophy.
+
+What to expect
+
+* Only one launcher home screen page.
+* Home screen organizes application shortcuts automatically.
+* App drawer is divided into tabs with different categories.
+* Home screen has a dedicated area for one widget.
+.
+
+Repo Type:git
+Repo:https://github.com/stanipintjuk/Silverfish
+
+Build:0.1-alpha,1
+    commit=v0.1-alpha
+    subdir=app
+    gradle=yes
+
+Auto Update Mode:Version v%v
+Update Check Mode:Tags
+Current Version:0.1-alpha
+Current Version Code:1