Add a vectordb module (#2263)

* Added vectordb base and chromadb

* Remove timer and unused functions

* Added filter by distance

* Added test utils

* Fix format

* Fix type hint of dict

* Rename test

* Add test chromadb

* Fix test no chromadb

* Add coverage

* Don't skip test vectordb utils

* Add types

* Fix tests

* Fix docs build error

* Add types to base

* Update base

* Update utils

* Update chromadb

* Add get_docs_by_ids

* Improve docstring

* Add get all docs

* Move chroma_results_to_query_results to utils

* Improve type hints

* Update logger

* Update init, add embedding func

* Improve docstring of vectordb, add two attributes

* Improve test workflow