docs: added Maxim support for Agent Observability (#2861)

* docs: added Maxim support for Agent Observability

* enhanced the maxim integration doc page as per the github PR reviewer bot suggestions

* Update maxim-observability.mdx

* Update maxim-observability.mdx

- Fixed Python version, >=3.10
- added expected_output field in Task
- Removed marketing links and added github link

* added maxim in observability

---------

Co-authored-by: Tony Kipkemboi <iamtonykipkemboi@gmail.com>

docs/docs.json

@@ -201,6 +201,7 @@
               "observability/arize-phoenix",
               "observability/langfuse",
               "observability/langtrace",
+              "observability/maxim",
               "observability/mlflow",
               "observability/openlit",
               "observability/opik",