Revert "renamed elementify.py to __main__.py"

This reverts commit 61e8966.

setup.py

@@ -1,20 +1,19 @@
+"""
+This is a setup.py script generated by py2applet
+
+Usage:
+    python setup.py py2app
+"""
+
+from setuptools import setup
+
+APP = ['elementify/elementify.py']
+DATA_FILES = []
+OPTIONS = {}
+
 setup(
-    name="elementify",
-    version="1.1.0",
-    description="A simple program that gives you information about chemical elements when you search them",
-    long_description=README,
-    long_description_content_type="text/markdown",
-    url="https://github.com/shibaismyname/elementify",
-    author="shibaismyname",
-    author_email="[email protected]",
-    license="MIT",
-    classifiers=[
-        "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-    ],
-    packages=["reader"],
-    include_package_data=True,
-    install_requires=["pandas"],
-    entry_points={},
+    app=APP,
+    data_files=DATA_FILES,
+    options={'py2app': OPTIONS},
+    setup_requires=['py2app'],
 )