Add AnonFiles and BayFiles

These APIs were initially contributed in #1472, but PR has been inactive for over 1 year and includes APIs that either don't work or were added later. Only AnonFiles and BayFiles were not added.

resolve #1472

README.md

@@ -199,6 +199,8 @@ API | Description | Auth | HTTPS | CORS |
 ### Cloud Storage & File Sharing
 API | Description | Auth | HTTPS | CORS |
 |---|---|---|---|---|
+| [AnonFiles](https://anonfiles.com/docs/api) | Upload and share your files anonymously | No | Yes | Unknown |
+| [BayFiles](https://bayfiles.com/docs/api) | Upload and share your files | No | Yes | Unknown |
 | [Box](https://developer.box.com/) | File Sharing and Storage | `OAuth` | Yes | Unknown |
 | [Dropbox](https://www.dropbox.com/developers) | File Sharing and Storage | `OAuth` | Yes | Unknown |
 | [File.io](https://www.file.io) | Super simple file sharing, convenient, anonymous and secure | No | Yes | Unknown |