add README

Author: zacksleo

README.md

@@ -0,0 +1,6 @@
+# yii2 metronic asset bundles
+
+[![Latest Stable Version](https://poser.pugx.org/zacksleo/yii2-metronic/version)](https://packagist.org/packages/zacksleo/yii2-metronic)
+[![Total Downloads](https://poser.pugx.org/zacksleo/yii2-metronic/downloads)](https://packagist.org/packages/zacksleo/yii2-metronic)
+[![License](https://poser.pugx.org/zacksleo/yii2-metronic/license)](https://packagist.org/packages/zacksleo/yii2-metronic)
+