Ecosia search engine adder by Max1Truc

It adds the ecosia search engine to firefox without any popup. It is only compatible with Firefox 55 or greater. Source code : <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/e1d7eca3e25a85b1ec17da0814835d22716c585b3930e95bc60dddff4bd6f50d/https%3A//goo.gl/BKx4sJ">https://goo.gl/BKx4sJ</a>