Add support for unstructured.io

[murtaza-motorwala]

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1. Is this request related to a challenge you're experiencing?

I was trying to extract the unstructured content using some APIs from unstructured.ai but could not do it successfully. I tried using the "HTTP request" node module but it does not take image as an input. Hence its frustrating to be not able to use a service.

2. Describe the feature you'd like to see

Either enhance the HTTP request module to accept Image as a form-data and pass it on to the next module or provide support for 3rd party services like Unstructured API.

3. How will this feature improve your workflow or experience?

This will help build robust pipelines for OCR text extraction, NLP etc.

4. Additional context or comments

No response

5. Can you help us with this feature?

• [X] I am interested in contributing to this feature.

[dajianguo]

Is there a planned time for this？

[dajianguo]

Do you have an initial outcome? I plan to improve on this basis

[yufeiyohi]

please add UNSTRUCTURED_API_KEY in docker env, then I can use official unstructured services.