refactor: ♻️ move consts from ModLoader to ModLoaderStore

[KANAjetzt]

Move consts from ModLoader to ModLoaderStore

Disclaimer

Not sure if we should do this. Moving const UNPACKED_DIR will break a lot of Brotato Mods because they use this pattern in there mod_main.gd most of the time:
dir = modLoader.UNPACKED_DIR + "Darkly77-ContentLoader/"

And I don't think there is a good way to add a deprecation warning to a const?

---

• Moved to ModLoaderStore:
  • MODLOADER_VERSION
  • DEBUG_ENABLE_STORING_FILEPATHS
  • UNPACKED_DIR
  • REQUIRE_CMD_LINE
• Added get_unpacked_dir() to ModLoaderMod
• Added get_unpacked_mods_dir_path() to _ModLoaderPath

works towards #153

[Qubus0]

found a way to deprecate a const via setget. it has to be made into a var though.

var TEST := "This is a test const" setget ,deprecated_direct_access_const_test

func deprecated_direct_access_const_test():
	ModLoaderDeprecated.deprecated_message("The const TEST was removed, use [proper method] instead")
	return "AAA" # proper method here

it won't work in the same file though unless you access it via self.TEST, since it skips the getter. works everywhere else and that is what we need in this case anyway

func _ready() -> void:
	print(get_node("/root/Main").TEST)

[KANAjetzt]

ty @Qubus0 - for some reason it didn't cross my mind that I can just change the const to a var 😄
I added the deprecation warning 👍

[Qubus0]

👍