feature request: total packet size as in pacman

[grayich]

in pacman -Syu: with VerbosePkgLists in config

~~~~~~~~~~
extra/wayland-protocols                 1.25-1             1.26-1               0.00 MiB       0.07 MiB
multilib/wine                           7.13-1             7.14-1               0.41 MiB      66.14 MiB
extra/xdg-desktop-portal                1.14.5-1           1.14.6-1             0.00 MiB       0.36 MiB

Total Download Size:    937.18 MiB
Total Installed Size:  3126.68 MiB
Net Upgrade Size:         9.28 MiB

there is no "total install\download size" in pikaur please add this