Update to installer files

setup.cfg

@@ -0,0 +1,2 @@
+[metadata]
+description-file = README.md

setup.py

@@ -28,11 +28,13 @@ def setup_package():
           author='Joost van den Born',
           author_email='born@astron.nl',
           url='https://gitlab.astro-wise.org/micado/atmosphericmodel',
+          download_url='https://gitlab.astro-wise.org/micado/atmosphericmodel/-/archive/v_01/atmosphericmodel-v_01.tar.gz',
           license='GNU General Public License v3',
           package_dir={'AstroAtmosphere': 'AstroAtmosphere'},
           package_data={'AstroAtmosphere': ['data/*.txt']},
           include_package_data=True,
           packages=['AstroAtmosphere'],
+          keywords=['REFRACTION','REFRACTIVITY','ATMOSPHERE','DISPERSION','CIDDOR'],
           install_requires=['numpy',
                             'scipy',
                             'pyslalib>=1.0.4'