Add Metadata to Playlist Files

[PranjalSurana]

Title

Add Metadata to Playlist Files

Description

Adding new setting to enhance the playlist (M3U) file generation by including #EXTINF metadata tag.

Related Issue

#2126

Motivation and Context

Enhanceing playlist (M3U) file generation by including #EXTINF metadata tag . This would enrich the playlist files by including additional information like track duration and title, thereby providing a better user experience.

How Has This Been Tested?

Ran spotDL many times, to test various scenarios

Screenshots (if appropriate)

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project
• My change requires a change to the documentation
• I have updated the documentation accordingly
• I have read the CONTRIBUTING document
• I have read the CORE VALUES document
• I have added tests to cover my changes
• All new and existing tests passed