Update README.md

Author: thiagodnf

README.md

@@ -29,3 +29,27 @@ A comprehensive collection of Gnuplot examples
 
 ### Box Plot
 ![box-plot](https://user-images.githubusercontent.com/114015/102024555-bd7a5d80-3d60-11eb-8f59-22a579b6301b.png)
+
+## Questions or Suggestions
+
+Feel free to create <a href="https://github.com/iselab-dearborn/gnuplot-scripts/issues">issues</a> here as you need
+
+## Contribute
+
+Contributions to the this project are very welcome! We can't do this alone! Feel free to fork this project, work on it and then make a pull request.
+
+## Authors
+
+* **Anwar Ghammam** - *Initial work*
+
+See also the list of [contributors](https://github.com/iselab-dearborn/gnuplot-scripts/graphs/contributors) who participated in this project.
+
+## License
+
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
+
+## Powered by
+
+<p float="left">
+    <img src="https://user-images.githubusercontent.com/114015/77862143-99351b80-71e7-11ea-84b2-62038634f314.png" height="58px"/>
+</p>