chore: Add setup.py for backward compatibility

src/setup.py

@@ -0,0 +1,12 @@
+from setuptools import setup, find_packages
+
+# TODO: Generate from or parse values from pyproject.toml.
+setup(
+    name="anki-sync-server",
+    version="2.3.0",
+    description="Self-hosted Anki Sync Server.",
+    author="Anki Community",
+    author_email="kothary.vikash+ankicommunity@gmail.com",
+    packages=find_packages(),
+    url='https://ankicommunity.github.io/'
+)