Add Geocoding.ai (#1449)

README.md

@@ -500,6 +500,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Geocod.io](https://www.geocod.io/) | Address geocoding / reverse geocoding in bulk | `apiKey` | Yes | Unknown |
 | [Geocode.xyz](https://geocode.xyz/api) | Provides worldwide forward/reverse geocoding, batch geocoding and geoparsing | No | Yes | Unknown |
 | [Geocodify.com](https://geocodify.com/) | Worldwide geocoding, geoparsing and autocomplete for addresses | `apiKey` | Yes | Yes |
+| [Geocoding.ai](https://nominatim.geocoding.ai/) | Provides worldwide forward / reverse geocoding | No | Yes | Yes |
 | [GeoDataSource](https://www.geodatasource.com/web-service) | Geocoding of city name by using latitude and longitude coordinates | `apiKey` | Yes | Unknown |
 | [GeoJS](https://geojs.io/) | IP geolocation with ChatOps integration | No | Yes | Yes |
 | [GeoNames](http://www.geonames.org/export/web-services.html) | Place names and other geographical data | No | No | Unknown |