Update README.md

Author: mootensai

README.md

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 # yii2-relation-trait
 Yii 2 Models add functionality for load with relation (loadAll($POST)), & transactional save with relation (saveAll())
 
+[![Latest Stable Version](https://poser.pugx.org/mootensai/yii2-relation-trait/v/stable)](https://packagist.org/packages/mootensai/yii2-relation-trait)
+[![License](https://poser.pugx.org/mootensai/yii2-relation-trait/license)](https://packagist.org/packages/mootensai/yii2-relation-trait)
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 ## Installation
 
 The preferred way to install this extension is through [composer](http://getcomposer.org/download/).