Introduces a new movie importer feature allowing admins to search and import movies from IMDb, including new components for search, result display, and error handling. Replaces the schedule header with a reusable menu header component. Updates routing, navigation, and HTTP service to support the new importer. Adds a poster placeholder image and improves poster error handling.
Introduces MovieGroup and Performance models for better type safety and data handling. Refactors movie-related components to use Angular signals (input/computed) and updates templates to bind data dynamically. Updates HttpService to support Vorstellung API endpoints. The schedule component now loads and groups performances by date and movie, passing structured data to child components for rendering.
