Chat doc fixes (#604)

* Added modal labs example to documentation

* Added gpt4all chat

* Typo

---------

Signed-off-by: Andriy Mulyar <andriy.mulyar@gmail.com>

gpt4all-bindings/python/docs/gpt4all_chat.md

@@ -15,7 +15,7 @@ with any supported local LLM through a *very familiar* HTTP API. You can find th
 Enabling server mode in the chat client will spin-up on an HTTP server running on `localhost` port
 `4891` (the reverse of 1984). You can enable the webserver via `GPT4All Chat > Settings > Enable web server`.
 
-Begin using local LLMs in your AI powered apps by changing a single line of code: the bath path for requests.
+Begin using local LLMs in your AI powered apps by changing a single line of code: the base path for requests.
 
 ```python
 import openai