Moderation

[TheSuperGamer20578]

Adds moderation Also adds connection pools for the DB and makes checks use them To use moderation, add the new tables from setup_db.sql to the db and add the new columns to guilds

Checklist

• [x] This PR has been tested
  • [x] Everything still works
  • [x] No major bugs have been made
    • [ ] I have listed minor bugs that have been added
• [x] I have listed all changes that this PR makes
• [x] This PR needs no further work
• [ ] Manual restart and/or configuration required post-merge
  • [ ] I have listed how to make bot work again post-merge
• [ ] README.md or other documentation will be updated by this PR

• [x] This is a major change

• [ ] This is a minor change

• [ ] This is a bug fix

• [x] This is an enhancement or new feature

• [ ] Other: