Add discord links (#4661)

* Add discord links

* Update

* Update

---------

Co-authored-by: Ryan Sweet <rysweet@microsoft.com>

CONTRIBUTING.md

@@ -6,7 +6,7 @@ The project welcomes contributions from developers and organizations worldwide.
 - Code review of pull requests.
 - Documentation, examples and test cases.
 - Readability improvement, e.g., improvement on docstr and comments.
-- Community participation in [issues](https://github.com/microsoft/autogen/issues), [discussions](https://github.com/microsoft/autogen/discussions), and [twitter](https://twitter.com/pyautogen).
+- Community participation in [issues](https://github.com/microsoft/autogen/issues), [discussions](https://github.com/microsoft/autogen/discussions), [twitter](https://twitter.com/pyautogen), and [Discord](https://aka.ms/autogen-discord).
 - Tutorials, blog posts, talks that promote the project.
 - Sharing application scenarios and/or related research.
 

python/packages/autogen-core/docs/src/conf.py

@@ -98,21 +98,21 @@ html_theme_options = {
     # },
     "show_prev_next": False,
     "icon_links": [
-        {
-            "name": "Twitter",
-            "url": "https://twitter.com/pyautogen",
-            "icon": "fa-brands fa-twitter",
-        },
         {
             "name": "GitHub",
             "url": "https://github.com/microsoft/autogen",
             "icon": "fa-brands fa-github",
         },
         {
-            "name": "PyPI",
-            "url": "/autogen/dev/packages",
-            "icon": "fa-custom fa-pypi",
+            "name": "Discord",
+            "url": "https://aka.ms/autogen-discord",
+            "icon": "fa-brands fa-discord",
         },
+        {
+            "name": "Twitter",
+            "url": "https://twitter.com/pyautogen",
+            "icon": "fa-brands fa-twitter",
+        }
     ],
 
     "announcement": 'AutoGen 0.4 is a work in progress. Go <a href="/autogen/0.2/">here</a> to find the 0.2 documentation.',