SaveCMD

[+] reload command(/scadmin reload)
[+] Add option to fill empty slots in GUI
[+] different sized GUI(9,27 and 54)
[=] perms based GUI size(check page)
config changes add the following in your config

fill:
  item: 'LIGHT_GRAY_STAINED_GLASS_PANE'
  title: '&a&lSLOT #%slot%'
  lore:
    - '&r'
    - '&e/savecmd add %slot% <command>'
    - '&r.'