[SpeedGUI] SpeedGUI_command (/speedgui)

options:

    #Worlds where using /speedgui is allowed
    allowed-worlds: Hub, world
        #<text> | Error message to be send if you use /speedgui in a not allowed world
    not-allowed-world: &cYou can't use this command on this world&4!

    #<text> | Error message to be send if /speedgui is executed by console
    console-error: &cOnly an in-game player can use this command&4!

    #true | There should be a permission need for /speedguireload command
    #Possible values: true, false
    permission: true

    #true
        #<permission> | The permission that should be needed for /speedgui command
    permission-needed: speedgui.use
 
        #<text> | Error message to send if player doesn't have the permission needed
    no-permission-needed: &cYou don't have the required permission for this command&4!

    #true | There should be a permission needed for each speed number
    #Possible values: true, false
    use-per-speed-permission: true
 
    #true
        #<text> | Error message to send if player doesn't have the permission-needed
    per-speed-no-permission: &cYou can't use this speed&4!
 
        #true | Each speed number for which the player doesn't have permission will be skipped and will not be in the GUI
    no-permission-remove-from-gui: true

    #GUI(to open after /speedgui)'s title
    gui-title: SpeedGUI
 
    #GUI(to open after /speedgui)'s rows
    gui-rows: 2

    #min-slot starting from the items will be in the opened GUI
    #https://postimg.cc/image/qspm62zvb/
    gui-min-slot: 0

    #Speed to be gave if first item is clicked in the opened GUI
    #Possible values: -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
    gui-min-speed: -1

    #Speed to be gave if last item is clicked in the opened GUI
    #Possible values: -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
    gui-max-speed: 9

    #<item> | Item to be clicked for <speed> in the opened GUI
    #Possible values: https://github.com/bensku/Skript/blob/master/src/main/resources/aliases-english.sk (and/or aliases-english.sk of your Skript version)
    item: potion of speed
 
        #Name of the item to be clicked for <speed>
    item-name: &aSpeed &3##&b<speed>
 
        #Lore of the item to be clicked for <speed>
    item-lore: &7Set your walk speed to &3##&b<speed>

    #Confirm-mesage for the <speed> choosed through the item clicked corresponding in the GUI
    message: &aYour walk speed is now &3##&b<speed>