```ruby
require "rails"

module WulinMaster

  class Engine < Rails::Engine
    engine_name :wulin_master 
  end
end```

Configure wulin_master to precompile master.js and master.css
user
```ruby
require "rails"

module WulinMaster

  class Engine < Rails::Engine
    engine_name :wulin_master 
    initializer "add assets to precompile" do |app|
       app.config.assets.precompile += %w( master/master.js master.css )
    end
  end
end```
assistant