Add GamerPower (#1707)

README.md

@@ -461,6 +461,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Final Fantasy XIV](https://xivapi.com/) | Final Fantasy XIV Game data API | No | Yes | Yes |
 | [Fortnite](https://fortnitetracker.com/site-api) | Fortnite Stats | `apiKey` | Yes | Unknown |
 | [FreeToGame](https://www.freetogame.com/api-doc) | Free-To-Play Games Database | No | Yes | Yes |
+| [GamerPower](https://www.gamerpower.com/api-read) | Game Giveaways Tracker | No | Yes | Yes |
 | [Giant Bomb](https://www.giantbomb.com/api/documentation) | Video Games | `apiKey` | Yes | Unknown |
 | [Guild Wars 2](https://wiki.guildwars2.com/wiki/API:Main) | Guild Wars 2 Game Information | `apiKey` | Yes | Unknown |
 | [GW2Spidy](https://github.com/rubensayshi/gw2spidy/wiki) | GW2Spidy API, Items data on the Guild Wars 2 Trade Market | No | Yes | Unknown |