Fix GitHub Actions configuration; change setup.

setup.py

@@ -5,13 +5,24 @@ from setuptools import setup
 
 setup(
     name="roentgen-map",
-    version="0.1",
+    version="0.1.0",
     packages=["roentgen"],
     url="https://github.com/enzet/Roentgen",
+    project_urls={
+        "Bug Tracker": "https://github.com/enzet/Roentgen/issues",
+    },
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+    ],
     license="MIT",
     author="Sergey Vartanov",
     author_email="me@enzet.ru",
     description="Python renderer for OpenStreetMap with custom icon set",
+    long_description="Röntgen is a Python OpenStreetMap renderer and tile "
+    "generator with a custom set of CC-BY 4.0 icons aimed to display as many "
+    "map features as possible.",
     entry_points={
         "console_scripts": ["roentgen=roentgen.main:main"],
     },