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 Job ID Name Coverage
  Test
passed #50888
test_gms_preprocessing

00:09:13

63.0%
passed #50889
test_styles

00:00:20

 
  Deploy
passed #50890
deploy_pypi

00:00:19