add weather via Dark Sky API -step1-

Signed-off-by: Thilo Graf <dbt@novatux.de>

Build errors fixed, missing code disabled

src/system/settings.h

@@ -857,6 +857,10 @@ struct SNeutrinoSettings
 	int movieplayer_display_playtime;
 
 	//online services
+	std::string weather_api_key;
+	int weather_enabled;
+	std::string weather_location;
+	std::string weather_city;
 	std::string youtube_dev_id;
 	int youtube_enabled;
 	std::string tmdb_api_key;