add collection_id filtering

Indexing support for Keyword and Semantic search

add document limit on hector

change document datatype from Varchar to Text

fix table creation logic

Merge pull request #1 from eltociear/patch-1

chore: update hector.py

chore: update base.py

chore: update hybrid_retriever.py

chore: update keyword_retriever.py

fix Docs

remove unused deps

Update readme | remove pycache

fixed package imports and added examples

hybrid rrf and weight retriving added