This update adds support for plugins, all of which can be found here. To make a plugin, simply make a pull request to the plugin repository found here: https://github.com/TheShadowGamer/Invite-Manager-Plugins. In order to make a plugin, see the tag developplugin in the support server.
In order to update, copy and paste the README.md, invites.js, removeinvites.js, functions/index.js, index.js, slash-commands/mainBot.js, slash-setup.js, types/custom-MEMBER, package.json and package-lock.json files into your Invite Manager instance.