message: Fix broken link for DouroECI
diff: @@ -126,7 +126,7 @@ Join our growing community!
  ### Energy
  - [Airboxlab](https://foobot.io) [@antoine-galataud]
  -- [DouroECI](http://douroeci.com/en/) [@nunohelibeires]
  +- [DouroECI](https://www.douroeci.com/) [@nunohelibeires]
  - [Safaricom](https://www.safaricom.co.ke/) [@mmutiso]
  - [Scoot](https://scoot.co/) [@haaspt]
  