Added setup.py for making an .app macOS app using py2app

Still doesn't work, as it crashes with:
OSError: Cannot load native module 'Cryptodome.Cipher._raw_ecb'

setup.py

@@ -0,0 +1,21 @@
+"""
+This is a setup.py script generated by py2applet
+
+Usage:
+    python setup.py py2app
+"""
+
+from setuptools import setup
+
+APP = ['deemix-pyweb.py']
+DATA_FILES = ['icon.icns', 'webui/public']
+OPTIONS = {
+    'iconfile':'icon.icns'
+}
+
+setup(
+    app=APP,
+    data_files=DATA_FILES,
+    options={'py2app': OPTIONS},
+    setup_requires=['py2app'],
+)