Added one useful resource for data visualization

[Vish1161]

Hey, I have added a helpful reference link for data visualization in the resources section that I think will best add to your content and give your readers a more diverse understanding of the topic. I hope you will like this. Thank you.

What kind of change does this PR introduce?

• [ ] Add a project
• [ ] Update a project
• [ ] Remove a project
• [ ] Add or update a category
• [ ] Change configuration
• [ ] Documentation
• [ ] Other, please describe:

Description:

Checklist:

• [ ] I have read the CONTRIBUTING guidelines.
• [ ] I have not modified the README.md file. Projects are only supposed to be added or updated within the projects.yaml file since the README.md file is automatically generated.