Add multi-height states, e.g. from NEWA data at a single point

[SchmJo]

Wind profiles from WRF or other tools usually comes at different heights. Assuming homogeneity in xy, we need a way to represent this in foxes. Data requirements:

• Input data from csv file
• Header: Time, WS-50, WS-70, WS-100, ... etc

[SchmJo]

First working example here