Update README.md

Author: pkly

README.md

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 # PHPUnit Service Create Trait
 A helper trait for PHPUnit 10+ for easier creation of services with dependencies in unit testing
 
+[![Packagist Downloads](https://img.shields.io/packagist/dt/pkly/phpunit-service-create-trait)](https://packagist.org/packages/pkly/phpunit-service-create-trait)
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 ## Installation
 
 Simply run