Update README.md

Author: mavinoo

README.md

@@ -2,7 +2,7 @@
 Insert and update batch (bulk) in laravel
 
 # Install
-`composer require mavinoo/laravel-batch:2.0`
+`composer require mavinoo/laravel-batch:dev-master`
 
 NOTE: [Click to install the previous version 1.0](https://github.com/mavinoo/laravelBatch/tree/v1.0).