Add LlamaIndex to Machine Learning

[vinDelphini]

Project

LlamaIndex

Checklist

• One project per PR
• PR title format: Add project-name
• Entry format: * [project-name](url) - Description ending with period.
• Description is concise and short

Why This Project Is Awesome

• Rising Star - 5000+ stars in < 2 years, significant adoption

Explain:
The leading data framework for building Retrieval Augmented Generation (RAG) applications, essential for modern AI development.

[JinyangWang27]

@vinDelphini Thanks for your submission! Both Langchain and LlamaIndex are definitely awesome python projects. However, both entries happend to be added on the same line causing a merge conflict. Could you please resolve the conflict with the correct alphabetical order?

[vinDelphini]

@vinDelphini Thanks for your submission! Both Langchain and LlamaIndex are definitely awesome python projects. However, both entries happend to be added on the same line causing a merge conflict. Could you please resolve the conflict with the correct alphabetical order?

@JinyangWang27 Done! Conflict resolved and alphabetical order fixed. Thanks mate!