Updated HISTORY.rst and bumped version. Added some files to .gitignore.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
3 jobs for v0.19.0 in 9 minutes and 53 seconds (queued for 20 minutes and 43 seconds)
latest
Status Name Job ID Coverage
  Test
passed test_gms_preprocessing #50888

00:09:13

63.0%
passed test_styles #50889

00:00:20

 
  Deploy
passed deploy_pypi #50890

00:00:19