fix: optimize vite config with proper server watch and build settings

[1234-ad]

Changes

• Fixed watch configuration by properly nesting it under server config
• Added build optimizations with manual chunk splitting for better performance
• Separated vendor libraries (React, React Router) into dedicated chunks
• Isolated MUI components into separate chunk
• Isolated Redux libraries into separate chunk
• Added chunk size warning limit configuration

Benefits

• Improved development experience with proper file watching
• Better production build performance with optimized code splitting
• Reduced initial bundle size through strategic chunking
• Faster page loads by leveraging browser caching of vendor chunks
• Cleaner build output with organized chunk structure

[github-actions]

Hello @1234-ad, thank you for raising a pull request.

Currently, the pull request is marked as status: todo ⏳ This issue is yet to be seen by the maintainer of the project. so please wait until the maintainers/owner review it and provide you with feedback/suggestions to proceed further.

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