Weather config enhancement

Add new parameter 'useKmh' to display wind speed in km/h instead of m/s.

modules/default/weather/current.njk

@@ -8,9 +8,13 @@
             <span>
                 {% if config.useBeaufort %}
                     {{ current.beaufortWindSpeed() | round }}
+                {% else %}
+                    {% if config.useKmh %}
+                        {{ current.kmhWindSpeed() | round }}
                     {% else %}
                         {{ current.windSpeed | round }}
                     {% endif %}
+                {% endif %}
                 {% if config.showWindDirection %}
                     <sup>
                         {% if config.showWindDirectionAsArrow %}

modules/default/weather/weather.js

@@ -18,6 +18,7 @@ Module.register("weather", {
 		location: false,
 		locationID: false,
 		units: config.units,
+		useKmh: false,
 
 		tempUnits: config.units,
 		windUnits: config.units,

modules/default/weather/weatherobject.js

@@ -77,6 +77,11 @@ class WeatherObject {
 		return 12;
 	}
 
+	kmhWindSpeed() {
+		const windInKmh = this.windUnits === "imperial" ? this.windSpeed * 1.609344 : (this.windSpeed * 60 * 60) / 1000;
+		return windInKmh;
+	}
+	
 	nextSunAction() {
 		return moment().isBetween(this.sunrise, this.sunset) ? "sunset" : "sunrise";
 	}