feat: ✨ mod reloading

[otDan]

This enables people to reload mods at runtime, currently the only changes made by mods that will be reset by this are extensions, which is the major changing factor in most cases. Opens up for next PRs that can reset nodes and hopefully all changes that mod developers want to make.
An example use case scenario would be: user downloads or updates mod, without needing to restart the whole game, the user could click a button in game that reloads all mods. Another example could be a mod that introduces in game mod downloading and updating, allowing for a better user experience.
This PR also renames
_remove_extension > _remove_specific_extension_from_script and
_reset_extension > _remove_all_extensions_from_script for easier functionality comprehension.
Adds a fix for #198 that returns null in a return void function.

[KANAjetzt]

2 little things

Did a run test in brotato no errors 👍
I did not test the reload_mods()

[ithinkandicode]

I'm a bit behind on the latest development, but is my understanding of these funcs correct?

Func	Purpose
_remove_specific_extension	Removes an extended script from the given script
_remove_all_extensions	Removes all extended scripts from the given script
_clear_extensions	Resets every script, removing all extensions from every script

If that's right, I'm wondering if the first 2 funcs could be affixed with _from_script? Because the func name remove_all_extensions in particular sounds very similar to clear_extensions, as in, one might presume that "remove all extensions" means removing all extensions from all scripts. That was my initial thought when I saw the func name. Perhaps the _clear_extensions func name could be clearer too, eg. _remove_all_extensions_from_all_scripts?

So my proposed func names would be this:

Func	Purpose
_remove_specific_extension_from_script	Removes a single extended script from the given script
_remove_all_extensions_from_script	Removes all extended scripts from the given script
_remove_all_extensions_from_all_scripts	Removes all extended scripts from every script

[KANAjetzt]

Tested in brotato no errors 👍
I did not test the reload_mods() func