Add ScrapingAnt API to the Development category

I've added the ScrapingAnt API in the README.md file. It's a great API with the availability of free usage.

README.md

@@ -286,6 +286,7 @@ API | Description | Auth | HTTPS | CORS |
 | [ReqRes](https://reqres.in/ ) | A hosted REST-API ready to respond to your AJAX requests | No | Yes | Unknown |
 | [Scraper.AI](https://docs.scraper.ai/#/) | Extract and monitor data from any website | `apiKey` | Yes | Unknown |
 | [ScraperApi](https://www.scraperapi.com) | Easily build scalable web scrapers | `apiKey` | Yes | Unknown |
+| [ScrapingAnt](https://docs.scrapingant.com) | Headless Chrome scraping with a simple API | `apiKey` | Yes | Unknown |
 | [ScreenshotAPI.net](https://screenshotapi.net/) | Create pixel-perfect website screenshots | `apiKey` | Yes | Yes |
 | [SHOUTCLOUD](http://shoutcloud.io/) | ALL-CAPS AS A SERVICE | No | No | Unknown |
 | [StackExchange](https://api.stackexchange.com/) | Q&A forum for developers | `OAuth` | Yes | Unknown |