feature: Animate dir/date-picker-pathbar buttons so that user can see that he can swipe pathbar left/right #128
Description
A Photo Managers` Folder-Picker has a
pathbar where you can fastly move up the current subfolderlevel.
A less known feature of is that the pathbar horicontal scrollable if screensize is to small to show all path elements.
A small animation (slowly moving the buttons in the pathbar from left to right and vice versa) should make this horicontal swipe-guesture discoverable