`Infrastructure` class given attribute for component damage state levels to be used; added damage response aggregated based on `component class`; additional helper methods; custom damage levels for substation; updated damage state bounds for component classes of substations.
`Infrastructure` class given attribute for component damage state levels to be used; added damage response aggregated based on `component class`; additional helper methods; custom damage levels for substation; updated damage state bounds for component classes of substations.

GeoscienceAustralia/sifra