Get a more detailed view for files and folder.

Also, we use a base body class for custom styles.
Get first folders and then files.

Also, we have them in a more structured way, so we can cycle which we want now.
Finally it's more easier to fetch the next file (without confusing from folders.
Styled the list view and single image view.

Now we have a more cooler way to show directory list and a back button on the image view.
Bump version.