Adding OpenLigaDB (#2746)

* Adding OpenLigaDB

* Rename YES -> Yes

Ref #2746
Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>
Co-authored-by: Pawel Borkar <36134699+pawelborkar@users.noreply.github.com>
Co-authored-by: Matheus Felipe <50463866+matheusfelipeog@users.noreply.github.com>

README.md

@@ -1484,6 +1484,7 @@ API | Description | Auth | HTTPS | CORS |
 | [NBA Stats](https://any-api.com/nba_com/nba_com/docs/API_Description) | Current and historical NBA Statistics | No | Yes | Unknown |
 | [NHL Records and Stats](https://gitlab.com/dword4/nhlapi) | NHL historical data and statistics | No | Yes | Unknown |
 | [Oddsmagnet](https://data.oddsmagnet.com) | Odds history from multiple UK bookmakers | No | Yes | Yes |
+| [OpenLigaDB](https://www.openligadb.de) | Crowd sourced sports league results | No | Yes | Yes |
 | [Premier League Standings ](https://rapidapi.com/heisenbug/api/premier-league-live-scores/) | All Current Premier League Standings and Statistics | `apiKey` | Yes | Unknown |
 | [Sport Data](https://sportdataapi.com) | Get sports data from all over the world | `apiKey` | Yes | Unknown |
 | [Sport List & Data](https://developers.decathlon.com/products/sports) | List of and resources related to sports | No | Yes | Yes |