v0.3.0: organization update

New release! PanqKart v0.3.0 has been released. 🎉

Changelog

• Fix userdata error while checking if the player is online.
• Convert the Streets mod to a submodule.
  • We will soon use the Submodules Alternative tool to make cloning much easier.
• Update a few submodules.
• Remaster the rules mod and convert it to a new mod with more information (WIP).
  • Thanks, @Niden1!
• Optimize the images using @imgbot.
• Fix tons of small bugs/errors.
• Shorten and improve a lot the code (readability).
• Organize all the mods into modpacks and cleanup all PanqKart mods.