Initial import
Add credits
Update README.md
Finish "Advanced Primitives"
More reorganisation
Add "join and merges"
Rename "lesson" to "part"
Reorganization
This repo is necessary to get kafka 2.9.2
Make kafka broker host configurable
Example content extraction
Toy example
Test with sample tweets
Finish toy example ("topN hashtags per follower number")
Use more descriptive name
Add missing getter/setters
Reorganize packages
Remove join/merge as the current example isn't really useful and we prob. don't need to cover this in the short tutorial anyways
Minor fix
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