Merge branch '1-create-a-package-architecture' into 'develop'

Resolve "Create a package architecture"

See merge request !2

.gitignore

+__pycache__
+build
+dist
+namelist.egg-info

namelist/__init__.py

+"""namelist: Parsing Fortran namelists to Python dictionaries and back."""
+
+__name__ = "namelist"
+__version__ = "0.0.1"
+
+from .namelist import Namelist, parse_namelist_file

setup.py

+import setuptools
+
+with open("README.md", "r") as fh:
+    long_description = fh.read()
+
+setuptools.setup(
+    name="namelist",
+    version="0.0.1",
+    author="Martin Claus",
+    author_email="mclaus@geomar.de",
+    description="Parsing Fortran namelists to Python dictionaries and back.",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    url="https://git.geomar.de/martin-claus/py-namelist",
+    packages=setuptools.find_packages(),
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: GNU General Public License v2 (GPLv2)",
+        "Operating System :: OS Independent",
+        "Development Status :: 4 - Beta",
+    ],
+)