Add Tomorrow from inactive PR (#1295)

issue #2002 
resolve #1295

README.md

@@ -1248,6 +1248,7 @@ API | Description | Auth | HTTPS | CORS |
 | [QWeather](https://dev.qweather.com/) | Location-based weather data | `apiKey` | Yes | Yes |
 | [SG Weather Reading](https://data.gov.sg/dataset/realtime-weather-readings) | Realtime weather readings for Singapore area including other weather parameters | No | Yes | Unknown |
 | [Storm Glass](https://stormglass.io/) | Global marine weather from multiple sources | `apiKey` | Yes | Yes |
+| [Tomorrow](https://docs.tomorrow.io) | Weather API Powered by Proprietary Technology | `apiKey` | Yes | Unknown |
 | [Troposphere](https://www.troposphere.io/developer) | Global weather and climate data | `apiKey` | 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 |