add code::stats api

a previous version of this commit accidentally made the wrong change, that was a rookie mistake. sorry.

this commit adds the code::stats api (which is not very featureful but does add access to the user statistics)

README.md

@@ -308,6 +308,7 @@ API | Description | Auth | HTTPS | CORS |
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
 | [Cloudmersive Document and Data Conversion](https://cloudmersive.com/convert-api) | HTML/URL to PDF/PNG, Office documents to PDF, image conversion | `apiKey` | Yes | Yes |
+| [Code::Stats](https://codestats.net/api-docs) | Automatic time tracking for programmers | `apiKey` | Yes | No |
 | [File.io](https://www.file.io) | File Sharing | No | Yes | Unknown |
 | [Mercury](https://mercury.postlight.com/web-parser/) | Web parser | `apiKey` | Yes | Unknown |
 | [pdflayer](https://pdflayer.com) | HTML/URL to PDF | `apiKey` | Yes | Unknown |