[Doc]: Update Haystack Integration Documentation

[Yugsolanki]

What happened?

Description

The current documentation for the Haystack integration needs updates for better clarity and accuracy. This includes:

• Improvements & Bug fixes
  • Correcting any outdated information.
  • Enhancing the clarity of the instructions.
• New functionality
  • Adding examples for using ChromaDocumentStore with Haystack.

Proposed Changes

• Update the Haystack integration documentation.
• Ensure all examples are up-to-date and functional.

Additional Context

This issue aims to improve the user experience and ensure the documentation is accurate and helpful.

Versions

chromadb v0.5.18, chroma-haystack 1.0.0

Relevant log output

No response

Sorry I accidentally assigned the bug label to it.