Google Flights CO₂ extension

Adds information about CO₂ emissions to results on Google Flights.

Quick Start

1. Clone repository
2. Create secrets.json file with API credentials from Atmosfair.
3. Run yarn install --dev to install dependencies
4. Run yarn dev. This will open a Firefox window with the plugin already loaded and hot-reload enabled.
5. Open flights.google.com
6. Search for something

Add-on build process

1. Run yarn install --dev.
2. Run yarn build.
3. Extension is in ./web-ext-artifacts and ready to upload.