Update Readme.md

Author: TiSiE

README.md

@@ -1,24 +1,26 @@
-CROSS PHPUnit Utils
-===================
+# CROSS PHPUnit Utils
 
-This package contains various utilities to aid in writing unit tests with the PHPUnit Framework.
 
-Installation
-------------
+<!-- TOC depthFrom:2 depthTo:6 withLinks:1 updateOnSave:1 orderedList:0 -->
+
+- [Installation](#installation)
+- [Usage](#usage)
+- [License](#license)
+
+<!-- /TOC -->
 
-Require a dependency via composer.
+This package contains various utilities to aid in writing unit tests with the PHPUnit Framework.
+
+## Installation
 
 ```bash
 composer require --dev cross-solution/phpunit-utils
 ```
 
-Usage
------
+## Usage
 
 At the moment, the documentation is solely in the PHPDocs comments of the source files.
 
+## License
 
-License
--------
-
-MIT
+Released under the [MIT](LICENSE) license