Developer Steven Troughton-Smith, who noted days ago that iOS 8 contained code for two apps to run side-by-side, has posted a YouTube video of the feature in action. Apparently manipulated using a two-finger gesture, an app is resized to create room for another app on the right side of the screen. It’s unclear if that same gesture will be used if or when the feature is eventually introduced. The previous report noted that side-by-side apps could…