Introduced Header2Component with a new design, external resource links, and a loading progress bar. Added LoadingService to manage loading state and integrated it into the schedule component. Updated main layout to use the new header and included related assets for external links. Changed API base URL in HttpService to use the production endpoint.
Introduced MainLayoutComponent with header and navbar for consistent app layout. Added HeaderComponent, NavbarComponent, ScheduleComponent, and MainComponent. Updated routing to use MainLayout for main and schedule pages. Renamed home-component to home and main-page to main, removing obsolete main-page files.
