Add setup.py file in project root.

setup.py

@@ -0,0 +1,22 @@
+from distutils.core import setup
+
+setup(
+    name="bitfinex-api-py",
+    version="3.0.0",
+    packages=[ "bfxapi", "bfxapi.websocket" ],
+    url="https://github.com/bitfinexcom/bitfinex-api-py",
+    license="OSI Approved :: Apache Software License",
+    author="Bitfinex",
+    author_email="support@bitfinex.com",
+    description="Official Bitfinex Python API",
+    keywords="bitfinex,api,trading",
+    install_requires=[
+        "pyee~=9.0.4",
+        "typing_extensions~=4.4.0",
+        "websockets~=10.4",
+    ],
+    project_urls={
+        "Bug Reports": "https://github.com/bitfinexcom/bitfinex-api-py/issues",
+        "Source": "https://github.com/bitfinexcom/bitfinex-api-py",
+    }
+)