Fix: Remove qdrant_service parameter from index_chunks_to_qdrant

fix: qdrant deploy

feat: qdrant sparse vectors

fix: demo configuration

fix: do not remove the keyword from query_processor

fix: add batching to qdrant index

refactor: remove unused imports and rename module

style: format code with ruff

bug: fix llm client to handle openrouter

feat: pipeline setup

feat: add llm client

feat: reranker

feat: query processor

feat: implement retrievers

bug: fix the qdrant search method

refactor: move scripts

feat: cli and complete data pipeline

feat: encoder

feat: qdrant client

feat: chunking

feat: project setup and data loading