Add type checking for parameters of bias correction techniques (btsch…

…wertfeger#43)

Fix typos (btschwertfeger#38)

Prepare release (btschwertfeger#35)

Update release.yml

uploaded version v0.6.3 to PyPI

Merge pull request btschwertfeger#1 from btschwertfeger/dev

Added pre-commit workflow to standardize the code base

adjusted workflow

modified import to test guthub workflow try: 3

adjusted requirements.txt; disabled other adjustment kinds except '+'…

… for variance_scaling; minor changes in readme

fixed missing netCDF4 import; fixed 'cannot pickle' on adjust_3d func…

…tions; adjusted filenames in examples and readme;