Add Quran local translation JSON support, public-domain Quran scrapers, and misc enhancements for IslamBot

[TAbdiukov]

Add Quran local‑translation JSON support, public‑domain Quran scrapers, and miscellaneous enhancements for IslamBot

Changelog

• Research and implement JSON local Quran translation format
• Implement Public Domain Quran translation scrapers to ensure consistency ( ./quran/related )
  • Gordiy Sablukov (2 versions)
  • Jan Murza Tarak Buczacki
• Implement local Quran translation serving engine
  • Local Quran translations take precedence over remote Quran translations
• Implement Quran translation aliases support (e.g., clear ➜ khattab ➜ Dr Mustafa Khattab, Clear Qur’an)
• Add "general" section config.ini, currently use it just to store whether the bot is used locally
• Minor change: Update requirements.txt in main, so IslamBot can run on Python 3.13
• Minor change: Use top.gg cog only if its token is set (and not used globally)
• Minor change: Update .gitignore

[TAbdiukov]

Closes: #91