use setuptools for automatically package detection

setup.cfg

@@ -0,0 +1,18 @@
+[metadata]
+name = pytorch-sidu
+version = 0.0.0
+author = Marco Parola
+author_email = [email protected]
+description = SIDU Class Activation Map methods implemented in Pytorch.
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://github.com/MarcoParola/pytorch-sidu
+classifiers =
+    Programming Language :: Python :: 3
+    License :: OSI Approved :: GNU General Public License v3 (GPLv3)
+    Operating System :: OS Independent
+    Development Status :: 4 - Beta
+
+[options]
+packages = find:
+python_requires = >=3.6

setup.py

@@ -13,7 +13,8 @@
     url="https://github.com/MarcoParola/pytorch-sidu",
     long_description=long_description,
     long_description_content_type="text/markdown",
-    packages=["pytorch_sidu"],
+    #packages=["pytorch_sidu"],
+    packages=setuptools.find_packages(),
     install_requires=[
         "torch",
         "torchvision",