Add models.openai and tools.langchain namespaces (#4601)

* add models.openai namespace

* refactor tools namespace

* update lock file

* revert pyproject changes

* update docs and add cast

* update ext models doc ref

* increase underline

* add reply models namespace

* update imports

* fix test

* linting

* fix missing conflicts

* revert pydantic changes

* rename to replay

* replay

* fix reply

* Fix test

* formatting

* example

---------

Co-authored-by: Leonardo Pinheiro <lpinheiro@microsoft.com>
Co-authored-by: Jack Gerrits <jack@jackgerrits.com>
Co-authored-by: Jack Gerrits <jackgerrits@users.noreply.github.com>

python/packages/autogen-core/docs/src/reference/index.md

@@ -45,8 +45,9 @@ python/autogen_ext.agents.web_surfer
 python/autogen_ext.agents.file_surfer
 python/autogen_ext.agents.video_surfer
 python/autogen_ext.agents.video_surfer.tools
-python/autogen_ext.models
-python/autogen_ext.tools
+python/autogen_ext.models.openai
+python/autogen_ext.models.replay
+python/autogen_ext.tools.langchain
 python/autogen_ext.code_executors.local
 python/autogen_ext.code_executors.docker
 python/autogen_ext.code_executors.azure

python/packages/autogen-core/docs/src/reference/python/autogen_ext.models.openai.rst

@@ -0,0 +1,8 @@
+autogen\_ext.models.openai
+==========================
+
+
+.. automodule:: autogen_ext.models.openai
+   :members:
+   :undoc-members:
+   :show-inheritance:

python/packages/autogen-core/docs/src/reference/python/autogen_ext.models.replay.rst

@@ -0,0 +1,8 @@
+autogen\_ext.models.replay
+==========================
+
+
+.. automodule:: autogen_ext.models.replay
+   :members:
+   :undoc-members:
+   :show-inheritance:

python/packages/autogen-core/docs/src/reference/python/autogen_ext.models.rst

@@ -1,8 +0,0 @@
-autogen\_ext.models
-===================
-
-
-.. automodule:: autogen_ext.models
-   :members:
-   :undoc-members:
-   :show-inheritance: