See merge request nexedi/wendelin!77

- moved from (deleted) wendelin tutorial bt

Do not any more install erp5_wendelin_tutorial which is replaced by proper documentation at https://wendelin.nexedi.com/wendelin-Learning.Track

See merge request nexedi/wendelin!76

Extend Wendelin's configurator to optionally install sample data which contains notebook with plotty editor.

See merge request nexedi/wendelin!74

- this sample data was obtained from an environmental sensor on an
Olimex system
- example notebooks to display data in a Plotly chart editor

See merge request nexedi/wendelin!73

See merge request nexedi/wendelin!72

See merge request !71

See merge request !70

See merge request !69

See merge request !68

See merge request !67

- show also validated data streams

See merge request !66