feat: Qdrant vector storage

[Anush008]

Description

This PR adds support for Qdrant - https://qdrant.tech to be used as a vector storage.

Notes

To run Qdrant

docker run -p 6333:6333 qdrant/qdrant

To use the vector store,

store = QdrantVectorStore(collection_name="some-name")

store.connect(url="http://localhost:6333") # Accepts all the Qdrant client options

store.load_documents(...) # Auto-creates a collection

store.similarity_search_by_vector(...)

store.similarity_search_by_text(...)

[jgbradley1]

Thank you for this contribution. Please give us just a little time to decide on an appropriate approach to take for community contributions, to make it easy without too much coupling.