[New Feature] Add phone's volume control in the desktop app

[MrKK4]

Describe the new feature you'd like
I propose to add Volume up and down feature in desktop app

Describe the reason why you want to add the feature
I need this feature because its very annoying to get to phone every time i want to lower the volume.

Describe how to implement the feature if you can
I have no idea

[mkckr0]

Accepted