* Re-added missing notebook

* Test installing postgres

* Error handle the connection.

* Fixed import.

* Fixed import.

* Fixed creation of collection without client.

* PGVector portion working. OpenAI untested.

* Fixed prints.

* Added output.

* Fixed pre-commits.

* Run pgvector notebook

* Improve efficiency of get_collection

* Fix delete_collection

* Fixed issues with pytests and validated functions.

* Validated pytests.

* Fixed pre-commits

* Separated extra_requires to allow more logic. Retrieve_chat base dependencies included on pgvector and qdrant.

* Fixed extra newline.

* Added username and password fields.

* URL Encode the connection string parameters to support symbols like %

* Fixed pre-commits.

* Added pgvector service

* pgvector doesn't have health intervals.

* Switched to colon based key values.

* Run on Ubuntu only. Linux is only option with container service support.

* Using default credentials instead.

* Fix postgres setup

* Fix postgres setup

* Don't skip tests on win and mac

* Fix command error

* Try apt install postgresql

* Assert table does not exist when deleted.

* Raise value error on a empty list or None value provided for IDs

* pre-commit

* Add install pgvector

* Add install pgvector

* Reorg test files, create a separate job for test pgvector

* Fix format

* Fix env format

* Simplify job name, enable test_retrieve_config

* Fix test_retrieve_config

* Corrected behavior for get_docs_by_ids with no ids returning all docs.

* Corrected behavior for get_docs_by_ids with no ids returning all docs.

* Fixed pre-commits.

* Added return values for all functions.

* Validated distance search is implemented correctly.

* Validated all pytests

* Removed print.

* Added default clause.

* Make ids optional

* Fix test, make it more robust

* Bump version of openai for the vector_store support

* Added support for choosing the sentence transformer model.

* Added error handling for model name entered.

* Updated model info.

* Added model_name db_config param.

* pre-commit fixes and last link fix.

* Use secrets password.

* fix: link fixed

* updated tests

* Updated config_list.

* pre-commit fix.

* Added chat_result to all output.
Unable to re-run notebooks.

* Pre-commit fix detected this requirement.

* Fix python 3.8 and 3.9 not supported for macos

* Fix python 3.8 and 3.9 not supported for macos

* Fix format

* Reran notebook with MetaLlama3Instruct7BQ4_k_M

* added gpt model.

* Reran notebook

---------

Co-authored-by: Li Jiang <bnujli@gmail.com>
Co-authored-by: Hk669 <hrushi669@gmail.com>

* Fix function call notebook to make sure title is displayed.

* Fix formatting

* formatting

* code writing with function call notebook created

* code formatting

* code formatting

* code formatting

* Remarks improved

* trying to resolve conflicts in Examples.md

* trying to solve conflict, improving llm_config

* working on conflict in examples

* working on conflict in examples

* working with examples.md

* examples

* repairing examples

* Examples updated

* notebook included

* code formatting

* code formatting

* tool defenition added

* code formatting

* dot removed

* starting code

* starting code

---------

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>