support for Lancedb as vectordb

[akashAD98]

it would be great if you could add support for Lancedb. as its serverless vectordb which can scale up to billions lancedb : https://lancedb.com/

langchian lancedb:https://python.langchain.com/v0.2/docs/integrations/vectorstores/lancedb/ lamaindex lancedb:https://docs.llamaindex.ai/en/stable/examples/vector_stores/LanceDBIndexDemo/