[Request] Add angular-img-cropper

[washingtonsoares]

Library name: angular-img-cropper
Git repository url: https://github.com/AllanBishop/angular-img-cropper
npm package url(optional):
License(s): MIT
Official homepage: https://github.com/AllanBishop/angular-img-cropper
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You are welcome to add a library via sending pull request,
it'll be faster then just opening a request issue,
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