* refactor: separate rss and atom generation, optimize back button logic, remove redundant whitespace in component styles
* fix: add missing <published> tag in atom feed
- Add sticky positioning to mobile header
- Implement back navigation for mobile header
- Adjust layout to use min-height instead of fixed height
- Remove global scroll-smooth class for more flexible scrolling
- Update dependencies to latest versions
- Add new font variations for EarlySummer and subset fonts
- Update uno.config.ts to modify font family configurations
- Introduce new font files for navbar, time, and subset usage
- Remove preload of external font CDN and add local font CSS import
- Adjust scrollbar initialization to handle native scrollbars
- Modify index page date display styles
- Introduced a new LanguageSwitcher component to facilitate language switching in the application.
- Added an SVG icon for the language switcher button.
- Updated the Header component to adjust margin for better spacing.
- Modified the Navigation component's margin and top properties for improved layout.
- Adjusted the ThemeToggle button size for consistency with the new design.
- Removed unused `@types/mdast` dependency from package.json and pnpm-lock.yaml.
- Introduced a custom scrollbar component with theme support in Scrollbar.astro.
- Updated Layout.astro to include the new Scrollbar component.
- Enhanced ThemeToggle.astro to dispatch a theme-changed event on toggle.
- Added global scrollbar styles to global.css and created a new scrollbar.css for custom scrollbar styling.
- Updated VSCode settings to improve editor experience and added recommendations for new extensions.
