Restructure code for use as a local module

.gitignore

@@ -1,2 +1,3 @@
 .env
+*.egg-info/
 __pycache__/

get_options_chain_example.py

@@ -1,4 +1,4 @@
-from client import TradeStationClient
+from tradestation import TradeStationClient
 from datetime import datetime
 from dotenv import load_dotenv
 from os import getenv

setup.py

@@ -0,0 +1,12 @@
+from setuptools import setup, find_packages
+
+setup(
+    name="tradestation",
+    version="1.0",
+    packages=find_packages(),
+    install_requires=[
+        'pandas',
+        'python-dotenv',
+        'requests'
+    ],
+)

stream_options_chain_example.py

@@ -1,6 +1,4 @@
-import pandas as pd
-
-from client import TradeStationClient
+from tradestation import TradeStationClient
 from datetime import datetime
 from dotenv import load_dotenv
 from os import getenv

tradestation/__init__.py

@@ -0,0 +1 @@
+from .client import TradeStationClient

tradestation/client.py

@@ -5,9 +5,10 @@ import webbrowser
 
 from datetime import datetime
 from dotenv import load_dotenv
-from option import Option
 from os import getenv
 
+from .option import Option
+
 load_dotenv()
 
 # TODO: Add support for paper trading API endpoint.