```ruby
require 'tic_tac_toe'

run TicTacToe::RackShell.new_shell
```

Configure my app to serve static css and image files
user
```ruby
require 'tic_tac_toe'

use Rack::Static, :urls => ["/css", "/images"], :root => "public"
run TicTacToe::RackShell.new_shell
```
assistant