Update readme.md

Author: pionl

readme.md

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 Easy to use service/library for chunked upload with supporting multiple JS libraries on top of Laravel's file upload with low memory footprint in mind. Currently supports **Laravel 5+ (with 5.5 Auto discovery)** with features as [cross domains requests](https://github.com/pionl/laravel-chunk-upload/wiki/cross-domain-requests), automatic clean schedule and easy usage.
 
 
+> Currently working on Laravel 7.* support (with older Laraver versions) - change the composer.json repository with desired pull request + new integration testing to help me update the package quicker.
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 ## Installation
 
 **1. Install via composer**