Filament page#347

Make filament page more condensed or add a list view option instead of only large grid.

Also add sub sections for each printer and unassigned rolls

I second the comment about a condensed page and list view. Reducing the size of the spool image, as it only conveys color, and maybe even grouping of filaments! Then if you had an project, knew how much filament it needed, you could aim for the machine that most closesly has that much left?