Add a local gemfile example
Move main logic to a more specific and maintainable file
Fix loading chain
Add RSpec support
Add Rakefile with bundler tasks
Add helper file
Fix typo in datasource options
Fix typo in footnote
Improve aesthetics of the readme
Improve explanation of the options
Re-order readme and license
Improve error handling when css/js compressors aren't defined
Improve naming to be closer with upstream nanoc datasources
Add specs for the simplest scenario
Add guard and pry to development group
Add Guardfile
Add specs for all the config options for sprockets