* Initial plan

* Remove 20 request classes, their test classes, and test fixtures

Co-authored-by: dargmuesli <[email protected]>

* Remove deleted request class references and add new library builder methods in SpotifyApi.java

Co-authored-by: dargmuesli <[email protected]>

* Remove deprecated endpoints and add new /me/library endpoints

- Remove 20 deprecated request classes (GET several/top, POST/GET user-specific, PUT/DELETE per-type library)
- Remove corresponding 20 test classes and 12 test fixtures
- Remove 28 builder methods from SpotifyApi.java
- Add SaveToLibraryRequest (PUT /me/library) and RemoveFromLibraryRequest (DELETE /me/library)
- Add saveToLibrary() and removeFromLibrary() builder methods to SpotifyApi.java

Co-authored-by: dargmuesli <[email protected]>

* Remove availableMarkets, externalIds, label, and popularity fields from Album model

Co-authored-by: dargmuesli <[email protected]>

* Remove albumGroup and availableMarkets fields from AlbumSimplified

Co-authored-by: dargmuesli <[email protected]>

* Remove followers and popularity fields from Artist model class

Co-authored-by: dargmuesli <[email protected]>

* Remove availableMarkets, externalIds, linkedFrom, and popularity fields from Track model

Remove field declarations, constructor assignments, getter methods, Builder setter
methods, and JsonUtil deserialization code for the four fields. Also remove unused
imports (CountryCode, ExternalId, TrackLink, Gson) and update toString method.
Update GetTrackRequestTest to remove assertions for removed fields.

Co-authored-by: dargmuesli <[email protected]>

* Remove availableMarkets and linkedFrom fields from TrackSimplified

Co-authored-by: dargmuesli <[email protected]>

* Remove availableMarkets and publisher fields from Show and ShowSimplified

Co-authored-by: dargmuesli <[email protected]>

* Remove country, email, followers, and product fields from User model

Co-authored-by: dargmuesli <[email protected]>

* Rename tracks/track fields to items/item in Playlist, PlaylistSimplified, and PlaylistTrack

Co-authored-by: dargmuesli <[email protected]>

* Fix test compilation errors after model field removals

Co-authored-by: dargmuesli <[email protected]>

* Rename playlist JSON fixture fields: tracks→items, track→item

Co-authored-by: dargmuesli <[email protected]>

* Add tests for SaveToLibraryRequest and RemoveFromLibraryRequest endpoints

Co-authored-by: dargmuesli <[email protected]>

* Update examples directory for API changes and add compile-examples CI step

- Remove 20 example files for deleted endpoints
- Add SaveToLibraryExample and RemoveFromLibraryExample
- Fix pre-existing SavedEpisode import bug in GetUsersSavedEpisodesExample
- Add compile-examples Maven profile to compile examples with project sources
- Add CI step to compile examples during builds

Co-authored-by: dargmuesli <[email protected]>

* Fix Javadoc for renamed playlist fields and add @OverRide to library request execute methods

- PlaylistSimplified.setItems(): update @param tracks → items
- Playlist.setItems(): update Javadoc wording and @param tracks → items
- PlaylistTrack.setItem(): update Javadoc wording and @param track → item
- SaveToLibraryRequest.execute(): add @OverRide annotation
- RemoveFromLibraryRequest.execute(): add @OverRide annotation

Co-authored-by: dargmuesli <[email protected]>

* ci: compile examples by default

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: dargmuesli <[email protected]>
Co-authored-by: Jonas Thelemann <[email protected]>