Added information of QWeather in README.md

QWeather, also named HeWeather, provides free weather api for developers.

README.md

@@ -927,6 +927,7 @@ API | Description | Auth | HTTPS | CORS |
 | [ODWeather](http://api.oceandrivers.com/static/docs.html) | Weather and weather webcams | No | No | Unknown |
 | [OpenUV](https://www.openuv.io) | Real-time UV Index Forecast | `apiKey` | Yes | Unknown |
 | [OpenWeatherMap](https://openweathermap.org/api) | Weather | `apiKey` | Yes | Unknown |
+| [QWeather](https://dev.qweather.com/) | Location-based weather data | `apiKey` | Yes | Yes |
 | [Storm Glass](https://stormglass.io/) | Global marine weather from multiple sources | `apiKey` | Yes | Yes |
 | [Weatherbit](https://www.weatherbit.io/api) | Weather | `apiKey` | Yes | Unknown |
 | [Yahoo! Weather](https://developer.yahoo.com/weather/) | Weather | `apiKey` | Yes | Unknown |