Add LlamaIndex dependency in SMD

[GanAlps]

🚀 The feature, motivation and pitch

We are planning to use SMD for running inference workflows. LangChain & LlamaIndex are most popular workflow frameworks. SMD already has LangChain dependencies. It would add a lot of value to customer if we support both LangChain & LlamaIndex out of the box in SMD.

Use case description

No response

Alternatives

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Additional context

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[claytonparnell]

Hi @GanAlps - want to confirm this is the correct dependency to add: https://anaconda.org/conda-forge/llama-index

[claytonparnell]

Want to call out that adding llama-index now would result in a very old version (0.8.42) being added, due to outdated conda-forge constraints (conda-forge/llama-index-feedstock#146). Working on getting this fixed but we might hold off on adding until this is resolved.

[claytonparnell]

Okay, I think I was able to fix all dependencies (conda-forge/llama-index-core-feedstock#125, conda-forge/llama-index-feedstock#147). Will retry install