Venim

New Features

* add FITS header keywords to filelist dataframe

Fixes

* (data): fix refactor

New Features

* (data): refactor helper function names

Fixes

* (build): fix missing astropy requirement
* (docs): fix missing requirements file

New Features

* (data): add new helper functions
Docs

* add docs/requirements for readthedocs
* add working documentation
* add readthedocs config
* add history content