adding setup.py for homebrew

Author: Onaga08

setup.py

@@ -0,0 +1,24 @@
+from setuptools import setup
+
+setup(
+    name="cli-chat",
+    version="1.0.0",
+    py_modules=["chat"],  
+    install_requires=[
+        "asyncio",         
+        "websockets>=12.0",
+        "prompt_toolkit>=3.0.0",
+        "rich>=13.0.0",
+        "fastapi>=0.110.0",
+        "python-dotenv>=1.0.0",
+        "uvicorn>=0.23.0",  
+    ],
+    entry_points={
+        "console_scripts": [
+            "chat=chat:main", 
+        ],
+    },
+    author="Your Name",
+    description="A CLI and WebSocket-based chat application using FastAPI and prompt_toolkit",
+    python_requires=">=3.8",
+)