Enhance dashboard navigation and optimize codebase

Major Dashboard Refactor: Consolidate modules and optimize codebase

Add Meta Ads Analysis module with comprehensive filtering

Optimize dashboard: Remove unused files and clean up codebase

Remove all unnecessary hover tooltips and help text

Optimize space: compact data source section in Google Ads module

Restructure dashboard: MIS Upload as expander, SQL Console as button

Make all text colors bright and visible

Make subtitle darker and remove unwanted sections

Simplify header to use Streamlit columns instead of complex HTML

Fix header alignment and rendering

Add automatic data loading with smart caching

Project Cleanup: Remove unwanted files and directories

Major Dashboard Redesign: Modern UI with Design System

Add file upload priority across all modules