Updated table of contents

Author: Ivan Kahl

README.md

@@ -33,14 +33,10 @@
 - [About the Project](#about-the-project)
   - [Built With](#built-with)
 - [Getting Started](#getting-started)
-  - [Prerequisites](#prerequisites)
-  - [Installation](#installation)
 - [Usage](#usage)
-- [Roadmap](#roadmap)
 - [Contributing](#contributing)
 - [License](#license)
 - [Contact](#contact)
-- [Acknowledgements](#acknowledgements)
 
 <!-- ABOUT THE PROJECT -->