Add BE Mass Disenchant everything script

[BlossomiShymae]

This PR adds the script along with integrating it with the GUI. I don't know how the script should be named exactly so it's up to you. The script was tested to work.

Please let me know if I need to make any other changes. Should resolve #10. <3

[Aluerie]

Sorry for the late response. I was under the weather... so i got cold... so a bit sick and lazy.

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All right, If I am to merge this PR in this exact conceptuonal state then I have the following nitpicking:

• Apply Black Formatting - I kinda commited pyproject.toml to declare my "standards" of formatting for this, lol
• Probably rename BEMassDisenchantEverything to just BEDisenchantEverything ; so it is a bit more clear and not like "so is it disenchant masses or everything 😖 "
• You didn't choose any icon for this :D I guess my problem: I should do some contributor guidelines and point out that I'm using emoji pngs from emojipedia like https://emojipedia.org/wastebasket#designs - I choose Microsoft/Windows 11 23H2 styled ones and rename them to remove the gibberish part.

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but to be honest, I think the proper/more maintanable route to do this script would be to do it differently at all: rework be_mass_disenchant.py in a way we can subclass from it into be_disenchant_everything.py. Because your code is literally largely same as in the former file. So I guess, I would move the part where we decide amount of shards into new function strategy and both scripts would use same base class.

This means this PR gonna be rejected in that case, sorry :o

I can code it myself tho for this lateness as a punishment lol.

[BlossomiShymae]

Ah, it's okay. This meant more of you to review and get feedback since I wasn't exactly sure what to follow.

I thought about it too sharing some functionality with the previous script as well so I wasn't exactly sure what to do but I didn't want to break existing functionality. ><