Add "Up Next" Automix Feature from iPad djay to macOS

[Slak_Jaw]

Hi @Peter2022, thanks for continuing to push this feature suggestion. Please refer to the linked topic below for more details on how our voting system works. Thanks again!

Update to Our Voting System Guidelines [Suggestions]

As a user, it’s essential to grasp the significance of your vote and how it influences our development roadmap. When you vote for a specific feature request or general suggestion: Your vote signals your interest and support for the proposed feature/suggestion. We consider the cumulative votes alongside other factors such as feasibility, resource availability, and alignment with our product vision. While high-voted features are more likely to be prioritized, they are not automatically im…