splitting out some csv parsing functions

splitting out some csv parsing functions

splitting out some csv parsing functions

- reformate a Dataframe to a Series,
- create bounderies for coordinates,
- check if a unit is CF convention compliant,
- create netCDF file from a Series

See ews-epidemiology commit 922332e.

Merge branch 'main' of gitlab.developers.cam.ac.uk:gilligan-epid/wheat-rusts/ews-coordinator into main

This creates input files for an epi run that are the output of an epi run from the previous day. Connects with ews-epidemiology development at the same time.

Remaining tasks to finish this work:
1) Stop loading env and depo from days before today
2) Write tests

removing three scripts and putting them into the ews-utils package for storage