docs: 📝 Update autodoc typehints setting to "signature" in Sphinx configuration (Pycord-Development#2979)

(cherry picked from commit d184428)

Author: Paillat-dev

docs/conf.py

@@ -96,7 +96,7 @@ def write_new():
 ogp_image = "https://pycord.dev/static/img/logo.png"
 
 autodoc_member_order = "bysource"
-autodoc_typehints = "none"
+autodoc_typehints = "signature"
 # maybe consider this?
 # napoleon_attr_annotations = False