Summary and motivation

Motivation from this issue #6749 raised by community members

Detailed design

Create a new document store for Azure AI search allowing operations of vector search, hybrid search and keyword search.

Implementation Breakdown

• Create a document store with CURD operations.
• Tests for document stores.
• Add retrievers.
• Tests for retrievers.
• Add filters and search operations.
• Test for filters.

Checklist

If the request is accepted, ensure the following checklist is complete before closing this issue.