Add Word Cloud (#2561)

README.md

@@ -187,6 +187,7 @@ API | Description | Auth | HTTPS | CORS |
 | [PHP-Noise](https://php-noise.com/) | Noise Background Image Generator | No | Yes | Yes |
 | [Pixel Encounter](https://pixelencounter.com/api) | SVG Icon Generator | No | Yes | No |
 | [Rijksmuseum](https://www.rijksmuseum.nl/en/api) | Art | `apiKey` | Yes | Unknown |
+| [Word Cloud](https://wordcloudapi.com/) | Easily create word clouds | `apiKey` | Yes | Unknown |
 
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 ### Authentication