slack aknowledgement issue

refactor bot controller to pass user object instead of slack_id

fix user and slack user id issue

file saved message issue

final testing

test and fix flow

generate content at delivery time

code refactoring

update file processing flow for user

generate personalized content flow of code completed

delivery schedular code

generate personalized content flow of code completed

fix event handling after testing

create embeddings of ppt and store metadata of files in tables

add endpoint to handle frequency command

Implement user onboarding flow

slack integration for event, auth and command