prepare for pypi and fix gitpython version error

.gitignore

@@ -5,3 +5,4 @@ results
 __pycache__
 tests/test_repo
 .coverage
+dist
\ No newline at end of file

pyproject.toml

+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
\ No newline at end of file

setup.cfg

@@ -6,9 +6,9 @@ author_email = r.jaepel@fz-juelich.de
 description = A solution for research data management
 long_description = file: README.md
 long_description_content_type = text/markdown
-url = https://jugit.fz-juelich.de/IBG-1/ModSim/cadet/ModsimDataTool
+url = https://jugit.fz-juelich.de/IBG-1/ModSim/cadet/CADET-RDM
 project_urls =
-    Bug Tracker = https://jugit.fz-juelich.de/IBG-1/ModSim/cadet/ModsimDataTool/Issues
+    Bug Tracker = https://jugit.fz-juelich.de/IBG-1/ModSim/cadet/CADET-RDM/Issues
 classifiers =
     Programming Language :: Python :: 3
     License :: OSI Approved :: GNU General Public License v3 (GPLv3)
@@ -18,7 +18,7 @@ classifiers =
 packages = find:
 python_requires = >=3.8
 install_requires =
-    gitpython
+    gitpython>=3.1
     git-lfs
     click