✨ Feat[frontend] : Made a tailwind config customisable by api

[sidarth-23]

Summary

• Updated global CSS and theme variables to set primary and secondary colors for light and dark modes.
• Modified tailwind configuration in UI and app components, ensuring consistency of colors and styles.
• Made the root layout to be able to load the variables from an api call
• Moved the css variable setting function into tailwind config package
• Made a basic tailwind config and attached it to all relavant packages

Screenshots

• [x] Tested (Must)
• [ ] Test Case added
• [x] Build Successful (Must)
• [x] Sufficient Code comments added (Must)
• [x] Attached Screenshots / Videos
• [x] All Relevant Documents added

Depends on