Update ci-pipeline.yml

Update communication_channels.rst

bump importRosbag to v1.0.4

Create requirements.txt for Binder

use numpy struct to unstruct function for timesurface generation

update docs notebook with new ToTimesurface transform

raise error if single polarity is used for sensor size but data conta…

…ins more than one polarity

make sure librosa.utils.fix_length is calling data, size and axis

Merge pull request #235 from neuromorphs/234-torchdata-is-indirect-fi…

…xed-dependency-through-prototype-datasets

make prototype module and therefore torchdata dependency optional

pin sphinx-book-theme to 0.3.3