The update of `birdnet` to `0.1.1` brings: <br>
- Add parameter 'chunk_overlap_s' to define overlapping between chunks <br>
- Remove parameter 'file_splitting_duration_s' instead load files in 3s chunks <br>
- Remove 'librosa' dependency<br>
Other: <br>
- check of the correct version of `birdnet` is installed in the current virtual environment <br>
- expand vignette on how to use virtual environments <br>