💄 Update welcome page styling and simplify settings header


💄 Update about pages with improved descriptions and empty state


🎨 Reorder profile background icons and update icon selection


🎨 Add birth date and enhance profiles page design with gradients and icons


♻️ Simplify milestone routes by removing author nesting


✨ Enhance auto-save functionality for entry forms

Implement auto-save feature with visual indicators for improved user experience.