made long description in pypi markdown friendly

setup.py

@@ -8,23 +8,18 @@
     version="0.1.0",
     packages=["leiden_clustering"],
     python_requires=">=3.7",
-    package_data={"": ["LICENSE", "*.md","*.ipynb","*.yml"]},
-    install_requires=[
-        "numpy",
-        "scanpy",
-        "scikit-learn",
-        "umap",
-        "leidenalg"
-    ],
+    package_data={"": ["LICENSE", "*.md", "*.ipynb", "*.yml"]},
+    install_requires=["numpy", "scanpy", "scikit-learn", "umap", "leidenalg"],
     author="Miquel Anglada Girotto",
     author_email="miquelangladagirotto@gmail.com",
     description="Cluster your data matrix with the Leiden algorithm.",
     long_description=readme,
+    long_description_content_type="text/markdown",
     url="https://github.com/MiqG/leiden_clustering",
     project_urls={"Issues": "https://github.com/MiqG/leiden_clustering/issues"},
     classifiers=[
         "License :: OSI Approved :: BSD License",
-        "Topic :: System :: Clustering"
+        "Topic :: System :: Clustering",
     ],
-    license="BSD 3-Clause License"
+    license="BSD 3-Clause License",
 )