Merge branch '9-update-model-application-tegel-example' of ssh://git.tu-berlin.de/urbanoikos/cca into 9-update-model-application-tegel-example

added class descriptions and corrected info to classes.py

Resolve "more accessible way to change mean of transport"

Closes #7

See merge request urbanoikos/models/cca!8

added kwarg to cca_to_df
changed materialinfo vehicel names to unique ones

Resolve "str to  literal and other minor code consistency cleann-ups"

Closes #5

See merge request urbanoikos/models/cca!5

Resolve "format existing code"

Closes #6

See merge request urbanoikos/models/cca!6

Resolve "Use specific tag in the first steps manual"

Closes #3

See merge request urbanoikos/models/cca!3

Resolve "Update first steps colab"

Closes #1

See merge request urbanoikos/models/cca!2

First complete version

See merge request urbanoikos/cca!1