Add extras_require setting to setup.py.

README.md

@@ -19,6 +19,11 @@ Official implementation of the [Bitfinex APIs (V2)](https://docs.bitfinex.com/do
 python3 -m pip install bitfinex-api-py
 ```
 
+If you intend to use mypy type hints in your project, use:
+```console
+python3 -m pip install bitfinex-api-py[typing]
+```
+
 ---
 
 # Quickstart

setup.py

@@ -45,9 +45,12 @@ setup(
         "pyee~=11.1.0",
         "websockets~=12.0",
         "requests~=2.32.3",
-        "types-requests~=2.31.0.10",
-        "types-urllib3~=1.26.25.14",
     ],
+    extras_require={
+        "typing": [
+            "types-requests~=2.32.0.20241016",
+        ]
+    },
     python_requires=">=3.8",
     package_data={"bfxapi": ["py.typed"]},
 )