Implement uploading to the wiki with a bot account

[gy-mate]

Implement uploading new quiz articles to the wiki using Pywikibot.

https://www.mediawiki.org/wiki/Manual:Pywikibot/Use_on_third-party_wikis
https://pypi.org/project/pywikibot/
https://github.com/zsotroav/mlb-mw/blob/master/upload.py

suggestion by @zsotroav

When closed: announce the app on Discord

[gy-mate]

Doesn't worth it, everyone's bot account would have to be granted bot permission on the wiki manually. It would also be risky.

[gy-mate]

It's enough to generate a bot password so that edits would be made directly under the user's account.