feat/when used requests,may need a kwargs to support requests special params like verify

[qingdengyue]

Is your feature request related to a problem? Please describe.

I have been digging into the Langchain code. The UNSTRUCTURED_API_URL appears to utilize partition_multiple_via_api within unstructured.partition.api
detail ref:langchain-ai/langchain#21488
The user is using a private URL, and its SSL is private, so it requires to skip SSL verification for requests.
and now. partition_multiple_via_api no way to do that

Describe the solution you'd like
It seems to me that we might consider providing **kwargs to support this scenario.
requests support params: https://github.com/psf/requests/blob/2d5f54779ad174035c5437b3b3c1146b0eaf60fe/src/requests/api.py#L14

Describe alternatives you've considered
Perhaps we could reuse **request_kwargs which contains request data. We can retrieve parameters from **request_kwargs and utilize them in requests.
partition_multiple_via_api：

unstructured/unstructured/partition/api.py

Line 105 in e4c8959

def partition_multiple_via_api(

Additional context
Add any other context or screenshots about the feature request here.

[MthwRobinson]

The unstructured-python-client is the preferred way to call the API now. @awalker4 - do you know if the client supports turning off SSL verify?

Separately, added an issue internally to update the LangChain loaders to use the AP client instead of partition_via_api.

[awalker4]

We can pass a custom requests.Session to the unstructured-client like this. We can certainly add a flag to the Loader to set this up before the partition call.

[MthwRobinson]

Thanks! Please reference the link @awalker4 provided above if you need to use the API without SSL verification.