Updated docs link, updated python docs link, updated setup.py

Author: evaherrada

README.rst

@@ -2,7 +2,7 @@ Introduction
 ============
 
 .. image:: https://readthedocs.org/projects/adafruit-circuitpython-itertools/badge/?version=latest
-    :target: https://circuitpython.readthedocs.io/projects/itertools/en/latest/
+    :target: https://docs.circuitpython.org/projects/itertools/en/latest/
     :alt: Documentation Status
 
 .. image:: https://img.shields.io/discord/327254708534116352.svg
@@ -57,7 +57,7 @@ Usage Example
 Documentation
 =============
 
-API documentation for this library can be found on `Read the Docs <https://circuitpython.readthedocs.io/projects/itertools/en/latest/>`_.
+API documentation for this library can be found on `Read the Docs <https://docs.circuitpython.org/projects/itertools/en/latest/>`_.
 
 Contributing
 ============

docs/conf.py

@@ -22,8 +22,8 @@
 ]
 
 intersphinx_mapping = {
-    "python": ("https://docs.python.org/3.4", None),
-    "CircuitPython": ("https://circuitpython.readthedocs.io/en/latest/", None),
+    "python": ("https://docs.python.org/3", None),
+    "CircuitPython": ("https://docs.circuitpython.org/en/latest/", None),
 }
 
 # Add any paths that contain templates here, relative to this directory.

docs/index.rst

@@ -32,7 +32,7 @@ Table of Contents
     :caption: Other Links
 
     Download <https://github.com/adafruit/Adafruit_CircuitPython_Itertools/releases/latest>
-    CircuitPython Reference Documentation <https://circuitpython.readthedocs.io>
+    CircuitPython Reference Documentation <https://docs.circuitpython.org>
     CircuitPython Support Forum <https://forums.adafruit.com/viewforum.php?f=60>
     Discord Chat <https://adafru.it/discord>
     Adafruit Learning System <https://learn.adafruit.com>