Big update and release with breaking changes to the config

The plugin is now ready for standard usage by admins and has enough documentation to get you started with most things.
Old configs are broken and need to be fixed to use the new target/type system that has been rewritten before updating.

A short changelog:

• Remake the type and targetting system, now types are way more powerful and easier to work with
• Add helpful config errors and add rollbacks when reloading the config
• Allow custom defaults to be created and used
• Add new player mission slot cache to make mission progression fast

A full changelog can be viewed in the github release at https://github.com/Stevv63/EasyMissions/releases/tag/1.0.0