Update README.md

Author: tarampampam

README.md

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 [![Downloads count][badge_downloads_count]][link_packagist]
 [![License][badge_license]][link_license]
 
+> Source code of this package was transferred from [avto-dev/roadrunner-laravel](https://github.com/avto-dev/roadrunner-laravel) package by its author. Release `v3.3.0` are same in both packages. Any future releases will be published in this package _(previous package was abandoned)_.
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 Easy way for connecting [RoadRunner][roadrunner] and [Laravel][laravel] applications.
 
 ## Installation