Nlmod

Minor update including:
- extra options to project vector data on a grid
- function to create a horizontal flow barrier from a line shape
- some bug fixes

- new way of caching function output using decorators in the new caching module
- new plotting methods
- functions to export modeldata to gis in the new gis module
- rename 'unstructured' to 'vertex' according to the terminology in flopy
- many smaller bug fixes

What's Changed
* Update package by OnnoEbbens in https://github.com/ArtesiaWater/nlmod/pull/30


**Full Changelog**: https://github.com/ArtesiaWater/nlmod/compare/0.1.0...v0.2.0

Fix the auto publishing on PyPi

Major changes include:
- github workflows
- PyPi listed
- move from print/verbose statement to the logging module

Also many smaller improvements that I will not list for the sake of my sanity.

First beta release.

Test if module can be installed from github.