Create remove playlist implementation

[bryjjch]

Motivation and Context

This pull request introduces essential updates to the music Java application, specifically focusing on the functionality for managing playlists. It addresses the need for more robust and user-friendly services for creating and removing playlists within the app. This enhancement is crucial for improving user experience and expanding the app's capabilities.

Your Changes

1. Create Playlist Service: The Create Playlist service has undergone significant improvements. The user interface for creating playlists is now more intuitive, allowing users to easily name their playlists. These changes make the playlist creation process more user-friendly and efficient, leading to a better overall user experience.
2. Remove Playlist Service: The Remove Playlist service has been updated for more straightforward navigation. Users can now remove playlists by just clicking the remove playlist button. The backend has also been refined to ensure secure and error-free deletion of playlists. These modifications streamline the playlist removal process, making it more user-friendly and error-resistant.

• [X] New feature (non-breaking change which adds functionality)

Checklist

• [X] I have performed a self-review of my own code.
• [X] I have added tests for my changes.
• [X] Coverage tests
• [X] Coding style (conforms to Google Java Style Guide)
• [X] Especially follows section 7 (Javadoc is present for every public class, public or protected member)
• [X] Especially follows section 4.6 (Multiple consecutive blank lines are not encouraged)
• [X] Correctness (follows CA and SOLID, is a reasonable and not overly complicated solution, etc.)
• [X] Description of pull request is clear, consise, and reasonably detailed