feat: implement NL-to-SQL agent with PostgreSQL integration and enhance related documentation

feat: add Zustand stores for filters and UI state management

Merge branch 'main' of https://github.com/samyuktha2004/Godspeed

Add user flow documentation and initialize frontend configuration files

feat: Enhance architecture documentation with detailed agent implementations and webhook support for Confluence and Jira

Add Redis utilities for session management, caching, and task queues