Add Unify Support

[djl11]

Description

This PR adds a LLM integration package to support Unify AI. This includes dynamic routing across different endpoints and SSO for multiple providers.

New Package?

Did I fill in the tool.llamahub section in the pyproject.toml and provide a detailed README.md for my new integration or package?

• Yes
• No

Version Bump?

Did I bump the version in the pyproject.toml file of the package I am updating? (Except for the llama-index-core package)

• Yes
• No

Type of Change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Added new unit/integration tests
• Added new notebook (that tests end-to-end)
• I stared at the code and made sure it makes sense

Suggested Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added Google Colab support for the newly added notebooks.
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I ran make format; make lint to appease the lint gods

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[logan-markewich]

@djl11 looks like you need to run make lint for linting

I'd be happy to fix the CICD error myself, but I can't push to this PR.

To fix CICD, you'll need to

• rm -f llama-index-integrations/llms/llama-index-llms-unify/BUILD
• Install pants
• Run pants tailor llama-index-integrations/llms/llama-index-llms-unify/::
• commit any added/changed files

[logan-markewich]

@djl11 light bump on this

[hello-fri-end]

Hey @logan-markewich, apologies for the super delayed response here. Everyone on the team has been extremely occupied with the launch due to which the PR slipped from our radar.

I have made all the fixes you requested. Please let me know if there's anything else you'd like me to add/change.

[logan-markewich]

Looks like you'd need to merge main, and also run make lint

[hello-fri-end]

Looks like you'd need to merge main, and also run make lint

Fixed both! Hope there are no issues remaining now 🤞