Adding documents to collections

[isayahc]

Adding documents to collections

Description

Now there is the ability to add documents to already existing Chroma collections. These documents could be:

• pdf files
• markdown files

Changes Made

Removed some of the Langchain integration for more control of Chromadb

Checklist

• [x] I have tested my changes locally and ensured that they work as expected.
• [ ] I have updated the documentation (if applicable).
• [x] My code follows the project's coding conventions and style guidelines.
• [ ] I have added appropriate test cases (if applicable).
• [x] I have reviewed my own code to ensure its quality.

Additional Notes

Add any additional notes or context about this PR here.

Reviewer(s)

• @almutareb

[almutareb]

looks good