Update README.md

Author: MBenincasa

README.md

@@ -1,10 +1,43 @@
 [![Maven Central](https://img.shields.io/maven-central/v/io.github.mbenincasa/java-excel-utils.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22io.github.mbenincasa%22%20AND%20a:%22java-excel-utils%22)
 [![GitHub release](https://img.shields.io/github/release/MBenincasa/java-excel-utils)](https://github.com/MBenincasa/java-excel-utils/releases/)
 [![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+
 # Java Excel Utils
 
+## Introduction
 Java Excel Utils is still an embryonic project. This open source library will collect different tools to speed up the work with Excel files.
 
-There is currently no documentation, but it will be added as soon as possible.
+## Documentation
+The javadocs of all public methods are available. Some examples are also available in the `samples` package.
+
+## Minimum Requirements ##
+Java 17 or above.
+
+## Maven
+```xml
+<dependency>
+  <groupId>io.github.mbenincasa</groupId>
+  <artifactId>java-excel-utils</artifactId>
+  <version>x.y.z</version>
+</dependency>
+```
+
+## Roadmap
+There is still no well-defined roadmap, but there is the idea of bringing various features
+
+## Contributing
+Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are **greatly appreciated**.
+
+If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement".
+Don't forget to give the project a star! Thanks again!
+1. Fork the Project
+2. Create your Feature Branch
+3. Commit your Changes
+4. Push to the Branch
+5. Open a Pull Request
+
+## License
+Distributed under the GNU General Public License v3.0. See `LICENSE.md` for more information.
 
-If you're interested in the project, don't be afraid to contribute, even if you're simply asking for a new feature to be implemented.
+## Contact
+Mirko Benincasa - mirkobenincasa44@gmail.com