Update README.md

Author: szczepanmasny

README.md

@@ -4,7 +4,7 @@
 <h1 align="center">Vue CRUD</h1>
 <div align="center">
   <a><img alt="license" src="https://img.shields.io/badge/license-MIT-brightgreen.svg"></a>
-  <a><img alt="version" src="https://img.shields.io/badge/version-v0.12.0-yellow.svg"></a>
+  <a><img alt="version" src="https://img.shields.io/badge/version-v0.13.0-yellow.svg"></a>
   <a><img alt="build" src="https://travis-ci.org/what-crud/vue-crud.svg?branch=master"></a>
   <a><img alt="PRs" src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg"></a>
 </div>