* * add Siebe dataset to testing framework
* fixed bug so that outliers in combined df are in obs time frequency
* add obstype in qc plot title
* fixed bug that qc settings can be update on non existing default obstypes
* extended function to check if a qc can be applied to check if all required settings are available.

* fixed docstring

* build on dev branch

* add titanlib in extension group

* add documentation + catchers if titanlib is not installed

* add all extras in the github actions

* less restrictive on titanlib version

* upgrade titanversion

* include options in template

* some minor fixes and tests

* update the tests

* update docs

* code cleanup

… the GUI

… the gee interactive plot (needed by the GUI)

… dev

… dev

…ta --> need for triple index of df