Update README.md

Author: GnussonNet

README.md

@@ -1,5 +1,6 @@
 [![MIT](https://img.shields.io/packagist/l/doctrine/orm.svg)](https://github.com/GnussonNet/manuals/blob/master/LICENSE) 
 ![OS](https://img.shields.io/badge/Tested%20On-Linux%20-brightgreen.svg)
+![ISSUES](https://img.shields.io/github/issues-raw/GnussonNet/manuals.svg)
 ### manuals
 A simple script that contains installation guides and commands for Kali Linux Tools!