added pubic HTTP API provides geolocation of IP addresses

README.md

@@ -305,6 +305,7 @@ API | Description | Auth | HTTPS | Link |
 | adresse.data.gouv.fr | Address database of France, geocoding, and reverse | No | Yes | [Go!](https://adresse.data.gouv.fr) |
 | Battuta | A (country/region/city) in-cascade location API | `apiKey` | Yes | [Go!](https://battuta.medunes.net) |
 | Bing Maps | Create/customize digital maps based on Bing Maps data | `apiKey` | Yes | [Go!](https://www.microsoft.com/maps/) |
+| FreeGeoIP  | Geolocation of IP addresses | No | Yes | [Go!](https://freegeoip.net/) |
 | GeoApi | French geographical data | No | Yes | [Go!](https://api.gouv.fr/api/geoapi.html) |
 | Geocode.xyz | Provides worldwide forward/reverse geocoding, batch geocoding and geoparsing | No | Yes | [Go!](https://geocode.xyz/) |
 | GeoNames | Place names and other geographical data | No | No | [Go!](http://www.geonames.org/export/web-services.html) |