Merge branch 'feature/documentation' into 'develop'

.gitlab-ci.yml

CMakeLists.txt

README.rst

bash_setup_template.sh

configure_python.sh

cpp/full_code/NSE.cpp

cpp/kspace.cpp

documentation/TurTLE_logo.svg

documentation/chapters/cpp_doxygen.rst

documentation/conf.py.in

documentation/index.html.in

documentation/index.rst

documentation/merge_doc_html.sh.in

documentation/sphinx_static/bandpass.rst

documentation/sphinx_static/bibliography.rst

documentation/sphinx_static/cpp.rst

documentation/sphinx_static/development.rst

documentation/sphinx_static/hs.rst

documentation/sphinx_static/overview.rst

meta/logo.py