```ruby
# Sinatra app for local development
# $ ruby app.rb

require 'rubygems'
require 'sinatra'

set :static, true
set :public_folder, './'

get '/' do
  redirect '/index.html'
end
```

Remove comments; same in README
user
```ruby
require 'rubygems'
require 'sinatra'

set :static, true
set :public_folder, './'

get '/' do
  redirect '/index.html'
end
```
assistant