Replaced relative link by absolute URL in README.rst to make the README.rst work on PyPI.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>
3 jobs for v0.18.8 in 12 minutes and 9 seconds (queued for 19 minutes and 31 seconds)
latest
Status Name Job ID Coverage
  Test
passed test_gms_preprocessing #45608

00:11:26

63.0%
passed test_styles #45609

00:00:21

 
  Deploy
failed deploy_pypi #45610

00:00:20

 
Name Stage Failure
failed
deploy_pypi Deploy
removing 'gms_preprocessing-0.18.8' (and everything under it)
$ twine upload dist/*
Uploading distributions to https://upload.pypi.org/legacy/
Uploading gms_preprocessing-0.18.8.tar.gz
0%| | 0.00/1.03M [00:00<?, ?B/s] 1%| | 8.00k/1.03M [00:00<00:51, 20.8kB/s] 8%|▊ | 88.0k/1.03M [00:00<00:33, 29.3kB/s] 16%|█▌ | 168k/1.03M [00:00<00:22, 41.1kB/s] 27%|██▋ | 288k/1.03M [00:00<00:13, 57.7kB/s] 52%|█████▏ | 552k/1.03M [00:00<00:06, 81.5kB/s] 82%|████████▏ | 872k/1.03M [00:00<00:01, 115kB/s] 100%|██████████| 1.03M/1.03M [00:02<00:00, 373kB/s]
NOTE: Try --verbose to see response content.
HTTPError: 400 Bad Request from https://upload.pypi.org/legacy/
The description failed to render in the default format of reStructuredText. See https://pypi.org/help/#description-content-type for more information.
ERROR: Job failed: exit code 1