1. GitHub API
The main idea is not the report itself, rather fetching data from GitHub public api using power query "M language" recursivly.
A sample report designed to teach a group of people online the basics of Power BI:
- Reading from CSVs
- Appending and merging queries
- Deal with different data types and reagions format
- Basic filter context manipulation "calculate, removefilters, keepfilters ..."
- Relationships
- Basics of Bookmarks