[Feature Request] Add More Vector DB

[vkehfdl1]

Is your feature request related to a problem? Please describe.
We can support more Vector DBs like Weaviate, Pinecone, FAISS, Vectara, pgvector, mongo search and more.

Describe the solution you'd like
We want to use Langchain implementation, but it has few limitations so we have to implement it on our own.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.