Alternative forecast methods / ensemble

[kylecorry31]

trafficstars

Maybe allow the user to choose which forecast method to use or default to the ensemble.

The ensemble will go with the most popular prediction, with the exception of storm which will always be chosen.

• [x] Zambretti
• [ ] Sager
• [ ] Almanac (https://www.almanac.com/predicting-weather-using-barometer-and-wind-direction + https://www.almanac.com/cloud-guide-types-clouds-and-weather-they-predict)
• [ ] Ensemble (Zambretti, Sager, Trail Sense)