feat: preserve "back" button history

[ayoayco]

From "home", when opening a cached article the "back" button doesn't go to "home"

In this issue,

• [x] Reload home on "back" click and restore scroll position
• [ ] preserve the scroll position of home on "unload". See: https://stackoverflow.com/questions/29203312/how-can-i-retain-the-scroll-position-of-a-scrollable-area-when-pressing-back-but