Add Business Management Features: UI Theme, Meeting Scheduler, Payments and Auth System

[YasirAwan4831]

This pull request introduces multiple enhancements and new features to the project, focusing on improving usability and expanding core functionality.

✨ Features Added

• Implemented a custom UI theme for improved user experience
• Added meeting scheduling with calendar integration
• Introduced meeting demo and basic video calling features
• Created a document management section for uploading and handling files
• Implemented payment-related functionalities:
  • Deposit
  • Withdraw
  • Transfer
• Designed investor and entrepreneur deal flow system
• Added login and signup system using local storage
• Deployed the project on Vercel for live preview

🎯 Purpose

These changes aim to transform the project into a more complete business/investor management platform with essential features for real-world usage.

⚠️ Notes

• Authentication currently uses local storage (can be upgraded to a secure backend in future)
• Video calling is in a basic/demo stage and may require further improvements

🚀 Deployment

The project has been successfully deployed on Vercel.

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Please review the changes and provide feedback. Suggestions for improvements are welcome!

[vercel]

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