Incorrect website URL in repository About section

[niranjanxprt]

Issue

The website URL listed in the repository's About section (right sidebar) appears to be incorrect or not properly formatted

Current Wrong URL

The URL currently set in the About section is:

https://fneum.github.io/data-science-for-esm/intro.html

This URL results in a 404 error ("File not found")..

Expected Website URL

The correct website URL should be:

https://fneum.github.io/data-science-for-esm/

How to Fix

1. Navigate to the repository homepage: https://github.com/fneum/data-science-for-esm
2. Click the gear icon (⚙️) next to "About" in the right sidebar
3. In the "Website" field, enter: https://fneum.github.io/data-science-for-esm/
4. Optionally, add a description such as: "Course materials for Data Science for Energy System Modelling at TU Berlin"
5. Click "Save changes"

This will ensure visitors can easily access the course website from the repository page.