Use McDonald's free Wi-fi w/o their Javascript per NateN1222

Makes free Wi-fi at McDonald's accessible without running non-free code.

USAGE: Just visit any website and it will automatically recognize the McDonald's Wi-fi page and log you in.

IMPORTANT: by using this add-on you are agreeing to the Terms of Service:

https://www.att.com/legal/terms.wiFiServices.html

This add-on assumes that you are running LibreJS and was tested on the latest version of GNU IceCat, a version of Firefox.

For more info about non-free Javascript and why it should be avoided:

https://www.gnu.org/philosophy/javascript-trap.en.html