Add COVID-19 API (#1458)

Co-authored-by: Yann Bertrand <5855339+yannbertrand@users.noreply.github.com>

README.md

@@ -507,6 +507,7 @@ API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [BetterDoctor](https://developer.betterdoctor.com/) | Detailed information about doctors in your area | `apiKey` | Yes | Unknown |
 | [Covid-19](https://covid19api.com/) | Covid 19 spread, infection and recovery | No | Yes | Yes |
+| [Covid-19](https://github.com/M-Media-Group/Covid-19-API) | Covid 19 cases, deaths and recovery per country | No | Yes | Yes |
 | [Covid-19 Government Response](https://covidtracker.bsg.ox.ac.uk) | Government measures tracker to fight against the Covid-19 pandemic | No | Yes | Yes |
 | [Diabetes](http://predictbgl.com/api/) | Logging and retrieving diabetes information | No | No | Unknown |
 | [Healthcare.gov](https://www.healthcare.gov/developers/) | Educational content about the US Health Insurance Marketplace | No | Yes | Unknown |