[plugins.json] Add cocoapods-Uploader

[supern lee]

Please add the following entry to the plugins.json file:

{
  "gem": "cocoapods-uploader",
  "name": "CocoaPods uploader",
  "author": "supern_lee",
  "url": "https://github.com/alibaba/cocoapods-uploader",
  "description": "Upload file/dir to remote storage."
}

[Orta Therox]

Awesome, want to send a PR adding that?

[supern lee]

@orta yes

[Orta Therox]

👍