[plugins.json] Add cocoapods-binarycb

[chenbkl]

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

{
  "gem": "cocoapods-binarycb",
  "name": "CocoaPods Binarycb",
  "author": "chenbin",
  "url": "https://github.com/a296776627/cocoapods-binary",
  "description": "A CocoaPods plugin based on [leavez/cocoapods-binary](https://github.com/leavez/cocoapods-binary) to integrate pods in form of prebuilt frameworks, not source code, by adding just one flag in podfile. Speed up compiling dramatically."
}