Run oskar-comparison test in CI/CD

.gitignore

.gitlab-ci.yml

cpp/oskar/CMakeLists.txt

cpp/oskar/oskar_evaluate_spherical_wave_sum.cc

demo/CMakeLists.txt

demo/comparison-oskar/CMakeLists.txt

demo/comparison-oskar/README.md

demo/comparison-oskar/generate_basefunction_plots.py

demo/comparison-oskar/generate_basefunction_plots.sh

demo/comparison-oskar/generate_oskar_csv.py

demo/comparison-oskar/main.cpp

demo/comparison-oskar/npy.hpp

demo/comparison-oskar/read_oskar_beams.py

demo/comparison-oskar/run_oskar.py

demo/comparison-oskar/telescope.tm/layout.txt

demo/comparison-oskar/telescope.tm/position.txt

demo/comparison-oskar/telescope.tm/station000/layout.txt

scripts/coeff_scripts/oskar_csv_to_hdf5.py