Add badges to README.md

Author: carloscarucce

README.md

@@ -1,2 +1,9 @@
-# simple-cache-php
+# Simple Cache
+
+[![StyleCI](https://github.styleci.io/repos/818333319/shield?branch=main)](https://github.styleci.io/repos/818333319?branch=main)
+[![Latest Stable Version](https://poser.pugx.org/webdevcave/simple-cache/v/stable?format=flat-square)](https://packagist.org/packages/webdevcave/simple-cache)
+[![Latest Unstable Version](https://poser.pugx.org/webdevcave/simple-cache/v/unstable?format=flat-square)](https://packagist.org/packages/webdevcave/simple-cache)
+[![Total Downloads](https://poser.pugx.org/webdevcave/simple-cache/downloads?format=flat-square)](https://packagist.org/packages/webdevcave/simple-cache)
+[![License](https://poser.pugx.org/webdevcave/simple-cache/license?format=flat-square)](https://packagist.org/packages/webdevcave/simple-cache)
+
 PSR Simple Cache Implementation