Add WeatherAPI (#2234)

README.md

@@ -1371,6 +1371,7 @@ API | Description | Auth | HTTPS | CORS |
 | [US Weather](https://www.weather.gov/documentation/services-web-api) | US National Weather Service | No | Yes | Yes |
 | [Visual Crossing](https://www.visualcrossing.com/weather-api) | Global historical and weather forecast data | `apiKey` | Yes | Yes |
 | [weather-api](https://github.com/robertoduessmann/weather-api) | A RESTful free API to check the weather | No | Yes | No |
+| [WeatherAPI](https://www.weatherapi.com/) | Weather API with other stuff like Astronomy and Geolocation API | `apiKey` | Yes | Yes |
 | [Weatherbit](https://www.weatherbit.io/api) | Weather | `apiKey` | Yes | Unknown |
 | [wttr](https://github.com/chubin/wttr.in) | :partly_sunny: The right way to check the weather | No | Yes | Unknown |