More extensive logging features

[Glazelf]

• [ ] Role distribution changes logging
• [x] Channel create logging
• [x] Channel delete logging
• [x] Channel updates logging
• [x] Role create logging
• [x] Role delete logging
• [x] Role edits logging
• [ ] Server edits logging
• [ ] Allow server owners to toggle logging specific events
• [ ] Bulk delete message logging (example)
• [ ] Logging image/embed/sticker removals, both by users and other executors. Log URLs of assets?