better loggin on addDocumentToWorkspace and add Qdrant setup doc

server/utils/vectorDbProviders/chroma/index.js

server/utils/vectorDbProviders/lance/index.js

server/utils/vectorDbProviders/pinecone/index.js

server/utils/vectorDbProviders/qdrant/QDRANT_SETUP.md

server/utils/vectorDbProviders/qdrant/index.js