🚀 Feature: create a song class to interact with `songs` table

[BryanPan342]

Similar to #8 we need to create a class to manage our songs.

Proposed Solution

Something along the lines of:

public interface SongProps {
  ...
}

class Song extends DbItem {

  constructor(id: string, props: SongProps) {
    ...
  }
  ...
}

• [ ] :wave: I may be able to implement this feature request

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This is a :rocket: Feature Request