docs: downloading datasets

Refactor loading data (#305)

* refactor loading data

* fix batch processing test

* cleanup and removing old code

* remove deprecated import

* cleanup imports

* fix gui tests

* template imports

* allow filtering exposure by float

* fix typo

* fix column order

* update examples

* types

* add global metadata

* ran black

add sphinx bibtex and citing/resources section

fix deprecation warning in tests

Merge pull request #269 from Jhsmit/symfit_version

bump symfit version requirement

Merge remote-tracking branch 'origin/master'

update installation docs, add header img, update requirements

forgot about static dir

remove dev controller before release

Merge pull request #232 from Jhsmit/web_plots

Plot updates