Use pydata theme

Dockerfile

@@ -14,7 +14,7 @@ RUN apt-get install -qq python3-mpi4py
 # Testing dependencies
 RUN apt-get install -qq python3-pytest-cov
 # Documentation dependencies
-RUN apt-get install -qq python3-sphinx-rtd-theme
+RUN pip3 install pydata-sphinx-theme
 
 # Create user (openmpi does not like to be run as root)
 RUN useradd -ms /bin/bash testinguser

docs/source/conf.py

@@ -24,4 +24,5 @@ language = None
 exclude_patterns = []
 add_module_names = False
 
-html_theme = "sphinx_rtd_theme"
+html_theme = "pydata_sphinx_theme"
+html_theme_options = {"gitlab_url": "https://gitlab.mpcdf.mpg.de/ift/resolve"}