Toggle show/hide item command

[poohcom1]

First of all, thanks for the great extension! Worked great for me.

Not sure if this is already a feature, but I'm looking for a command to quickly un-hide/hide all hidden files, as opposed to manually removing an item from the hidden items list.

My main use case for this is for working with Typescript projects where I want to keep compiled Javascript files hidden, but occasionally see them in case I need to remove certain files. It would be nice to have a command so I can create a shortcut to do a quick toggle.

With some pointers I'd be happy to contribute if this is something that you'd think would fit with the extension.