```ruby
require 'yaml'
require 'open-uri'

namespace :spicerack do

  def get_destination(path)
    ENV["GEM_TESTING"] ? "tmp/#{path}" : path
  end

  def get_source(file)
    source = file['source']
    source = File.expand_path("../../templates/#{source}", __FILE__) if file['localfile']
    source
  end

  def write_file(file)
    destination = get_destination(file['rails'])
    FileUtils.mkdir_p(File.dirname(destination))
    File.open(destination, 'wb') do |f|
      source = get_source(file)
      f.write open(source).read
    end
  end

  spice_file = File.expand_path('../../spicerack.yml', __FILE__)
  spice_yaml = YAML.load_file(spice_file)

  spice_yaml["spices"].keys.each do |spice|
    desc "Install #{spice}"
    task spice.to_sym => :environment do
      spice_yaml["spices"][spice].each do |file|
        write_file(file)
      end
    end
  end

end
```

Make ui task add ui route
user
```ruby
require 'yaml'
require 'open-uri'

namespace :spicerack do

  def get_destination(path)
    ENV["GEM_TESTING"] ? "tmp/#{path}" : path
  end

  def get_source(file)
    source = file['source']
    source = File.expand_path("../../templates/#{source}", __FILE__) if file['localfile']
    source
  end

  def write_file(file)
    destination = get_destination(file['rails'])
    FileUtils.mkdir_p(File.dirname(destination))
    File.open(destination, 'wb') do |f|
      source = get_source(file)
      f.write open(source).read
    end
  end

  spice_file = File.expand_path('../../spicerack.yml', __FILE__)
  spice_yaml = YAML.load_file(spice_file)

  spice_yaml["spices"].keys.each do |spice|
    desc "Install #{spice}"
    task spice.to_sym => :environment do
      spice_yaml["spices"][spice].each do |file|
        write_file(file)
      end
    end
  end

  task ui: :environment do
    content = File.open('config/routes.rb', 'r') { |f| f.read }
    File.open('config/routes.rb', 'w') do |f|
      f.write content.sub "Application.routes.draw do",
        "Application.routes.draw do\n  get 'ui(/:action)', controller: 'ui' unless Rails.env.production?"
    end
  end

end
```
assistant