Update README.md

Author: indy2kro

README.md

@@ -1,5 +1,7 @@
 # PHP ISO Library
 
+[![codecov](https://codecov.io/gh/indy2kro/php-iso/graph/badge.svg?token=NBj76nYtmB)](https://codecov.io/gh/indy2kro/php-iso) [![Tests](https://github.com/indy2kro/php-iso/actions/workflows/tests.yml/badge.svg)](https://github.com/indy2kro/php-iso/actions/workflows/tests.yml)
+
 PHP Library used to read metadata from ISO files based on [php-iso-file](https://github.com/php-classes/php-iso-file)
 
 This library follows the [ISO 9660 / ECMA-119](https://www.ecma-international.org/wp-content/uploads/ECMA-119_4th_edition_june_2019.pdf) standard.
@@ -82,4 +84,4 @@ foreach ($pathTable as $pathRecord) {
 }
 
 print_r($paths);
-```
+```