Add asset compilation task for webpack
user
```ruby
Rake::Task['assets:precompile']
  .clear_prerequisites
  .enhance(['assets:compile_environment'])

namespace :assets do
  # In this task, set prerequisites for the assets:precompile task
  task compile_environment: :webpack do
    Rake::Task['assets:environment'].invoke
  end

  desc 'Compile assets with webpack'
  task :webpack do
    sh 'npm run build:client'
  end

  task :clobber do
    rm_r Dir.glob(Rails.root.join('app/assets/webpack/*'))
  end
end
```
assistant