FEATURE REQUEST: add support for Couchbase as a vector database layer

### Is your feature request related to a problem?

- [x] Yes, it is related to a problem

### Describe the feature you'd like

## 🌟 Feature Description
Add support for Couchbase as a vector database. Couchbase offers one of the fastest vector database in the market would be great to add support.

### Record

- [x] I agree to follow this project's Code of Conduct
- [x] I want to work on implementing this feature