Add a new stats file with print times

[zugaldia]

Currently, we're seeing these numbers:

File	Printing time
cubo_arch.gcode	6h 15m 34s
cubo_bottom_insert_arduinoleonardo.gcode	10h 29m 13s
cubo_bottom_insert_arduinonano.gcode	10h 9m 57s
cubo_bottom_insert_arduinouno3.gcode	10h 29m 34s
cubo_bottom_insert_nopcb.gcode	9h 37m 40s
cubo_bottom_insert_rpi0.gcode	10h 19m 15s
cubo_bottom_insert_rpi3.gcode	10h 35m 49s
cubo_bottom_insert_rpi4.gcode	10h 35m 57s
cubo_bottom_insert_rpipico.gcode	10h 12m 35s
cubo_bottom_nut_arduinoleonardo.gcode	10h 33m 51s
cubo_bottom_nut_arduinonano.gcode	10h 14m 4s
cubo_bottom_nut_arduinouno3.gcode	10h 34m 8s
cubo_bottom_nut_nopcb.gcode	9h 41m 52s
cubo_bottom_nut_rpi0.gcode	10h 24m 3s
cubo_bottom_nut_rpi3.gcode	10h 40m 24s
cubo_bottom_nut_rpi4.gcode	10h 40m 34s
cubo_bottom_nut_rpipico.gcode	10h 16m 51s
cubo_empty.gcode	3h 42m 19s
cubo_generic.gcode	7h 44m 25s
cubo_grid_flatiron_medium.gcode	5h 36m 11s
cubo_grid_flatiron_small.gcode	7h 50m 13s
cubo_grid_gruyere_medium.gcode	6h 58m 58s
cubo_grid_gruyere_small.gcode	10h 9m 25s
cubo_grid_latitude_medium.gcode	4h 33m 29s
cubo_grid_latitude_small.gcode	5h 24m 1s
cubo_grid_longitude_medium.gcode	4h 34m 13s
cubo_grid_longitude_small.gcode	5h 24m 59s
cubo_mounting_plate_m25.gcode	10m 54s
cubo_mounting_plate_m3.gcode	11m 13s
cubo_mounting_plate_m4.gcode	11m 23s
cubo_mounting_plate_vesa.gcode	1h 8m 29s
cubo_stand_free_standing.gcode	19h 1m 49s
cubo_stand_with_base.gcode	1d 0h 29m 31s
cubo_top_insert_empty.gcode	5h 33m 20s
cubo_top_insert_filled.gcode	9h 36m 9s
cubo_top_nut_empty.gcode	5h 37m 46s
cubo_top_nut_filled.gcode	9h 40m 35s
cubo_tray.gcode	1d 17h 54m 43s