Add support for mmoitems

[Joaofixe]

I'm requesting that you add support for mmoitems items for click requirements. I'll leave the plugin link below.

https://www.spigotmc.org/resources/mmoitems.39267/

If needed, I'll also leave the link here for the library that the plugin needs to work.

https://www.spigotmc.org/resources/mmolib-mythiclib.90306/