Add octane package

Change from version 1.0 to 2.0

Change install location

Use ruby webrick instead of nginx

packages/octane.rb

+require 'package'
+
+class Octane < Package
+  description 'The JavaScript Benchmark Suite for the modern web https://developers.google.com/octane/.'
+  homepage 'https://github.com/chromium/octane'
+  version '2.0'
+  source_url 'https://github.com/chromium/octane/archive/570ad1ccfe86e3eecba0636c8f932ac08edec517.tar.gz'
+  source_sha256 'c355dd9a37df421826f3d8028d89e8c8b58faa12a49da88fa2641788f9482fe7'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  def self.install
+    system "mkdir -p #{CREW_DEST_PREFIX}/share/octane"
+    system "cp -r . #{CREW_DEST_PREFIX}/share/octane"
+  end
+
+  def self.postinstall
+    puts
+    puts "To perform a benchmark test, execute the following:".lightblue
+    puts "ruby -run -e httpd #{CREW_PREFIX}/share/octane/ -p 8080".lightblue
+    puts "Visit http://localhost:8080".lightblue
+    puts "Click 'Start Octane 2.0'".lightblue
+    puts
+  end
+end