On a project/article page, an 'add favorite' button is there. If the item is already a favorite, it's a 'remove from favorites' button.
On a profile page, if a user is on their own page, they see a simple list of their favorites. If they are on another user's profile page, then see the add/remove favorite button
On a project/article page, an 'add favorite' button is there. If the item is already a favorite, it's a 'remove from favorites' button.
On a profile page, if a user is on their own page, they see a simple list of their favorites. If they are on another user's profile page, then see the add/remove favorite button