Add Cloudbet API to list of Sports & Fitness APIs

Cloudbet API is the official API of online sportsbook provider [Cloudbet](https://www.cloudbet.com/en/) providing real-time sports odds as well as a betting API which allows users to place bets programmatically.

README.md

@@ -1033,6 +1033,7 @@ API | Description | Auth | HTTPS | CORS |
 | [balldontlie](https://balldontlie.io) | Balldontlie provides access to stats data from the NBA | No | Yes | Yes |
 | [Canadian Football League (CFL)](http://api.cfl.ca/) | Official JSON API providing real-time league, team and player statistics about the CFL | `apiKey` | Yes | No |
 | [City Bikes](http://api.citybik.es/v2/) | City Bikes around the world | No | No | Unknown |
+| [Cloudbet](https://www.cloudbet.com/api/) | Official Cloudbet API provides real-time sports odds and betting API to place bets programmatically | `apiKey` | Yes | Yes |
 | [Ergast F1](http://ergast.com/mrd/) | F1 data from the beginning of the world championships in 1950 | No | Yes | Unknown |
 | [Fitbit](https://dev.fitbit.com/) | Fitbit Information | `OAuth` | Yes | Unknown |
 | [Football (Soccer) Videos](https://www.scorebat.com/video-api/) | Embed codes for goals and highlights from Premier League, Bundesliga, Serie A and many more | No | Yes | Yes |