Add screenfetch (3.7.0) package

screenFetch is a "Bash Screenshot Information Tool".

Tested as working on Samsung XE50013-K01US.

packages/screenfetch.rb

@@ -0,0 +1,15 @@
+require 'package'
+
+class Screenfetch < Package
+  version '3.7.0'
+  source_url 'https://github.com/KittyKatt/screenFetch/archive/v3.7.0.tar.gz'
+  source_sha1 '5a3702504e154335e372df56e4cb621840dc5506'
+
+  def self.build
+  end
+
+  def self.install
+    system "install -D screenfetch-dev #{CREW_DEST_DIR}/usr/local/bin/screenfetch"
+    system "install -D screenfetch.1 #{CREW_DEST_DIR}/usr/local/man/man1/screenfetch.1"
+  end
+end