Refactor console layout and sidebar components; implement user authentication and loading states

- Updated `RootLayout` to include user authentication logic and loading states.
- Removed redundant user authentication logic from `Page` component.
- Enhanced `AppSidebar` to fetch and display logged-in user information.
- Replaced `GravatarAvatar` with new `Avatar` component for user profile images.
- Added new pages for comment, file, post, and user management.
- Introduced utility functions for generating Gravatar URLs and fallback avatars based on usernames.
- Cleaned up unused imports and components across various files.

web/src/i18n/request.ts

@@ -9,7 +9,7 @@ export default getRequestConfig(async () => {
     locales.map(async (locale) => {
       try {
         return (await import(`@/locales/${locale}.json`)).default;
-      } catch (err) {
+      } catch  {
         return {};
       }
     })