[NOTICKET][DB] fix mysql pipeline

[NOTICKET]: adjusted pyproject.toml for OCR PDF

[KM-437][DB] add mysql, sqlserver, bigquery, snowflake connections

[NOTICKET][DB] update credential & databaseclient. update settings

[NOTICKET]: use tesseract for extract PDF

[NOTICKET][DB] pisahin db credential ke folder model. add ingestion endpoint at db_client to use db pipeline. add router db_client di main.

[NOTICKET][DB] menyesuaikan format struktur db_pipeline sesuai dengan file lain

[DB] fix/rename db_pipeline.py

[NOTICKET]: add CSV and XLSX file type

edit document for new pipeline

delete duplicate file

update document

[NOTICKET] new metadata format for cleaner code

[KM-441] add mean and median

[NOTICKET][DB] refactor code to new repo

[NOTICKET]: update folder document_pipelines after pipelines

[NOTICKET]: add document pipeline, simplify document API

[NOTICKET] Init db_client endpoint

[KM-467] [DED][AI] Orchestration Agent - Init