Merge giveaway (#2) (#4)

* [Backup]: backup with buttons (yeah...)

* Remade emojis in help command, deleted comments in cogs/backup

* Ban/Unban and kick functions

* Warn system (not ready, snaky has to finish), Mute/Unmute, Ban/Mute Server List, Rename all the cogs names

* Remade the common checks in moderation.py, transfered to misc.py

* some changes

* [Database]: fixing get_items from cache and much more
[Other]: reformatted code, simplify class names

* [Private Rooms]: Implement rooms

* Crossban, crosskick implementation (snaky, if there is костиль, fix it)

* Make code great again

* Finished the utility commands

* SNAKY FIX THE DB IN WARNS

* Update Readme

* fixed moder cog

* [Private Room]: Updated Private Room

* [Giveaway]: implement checking giveaway with disnake.ext.tasks
[Other]: Reformatted code

[Private Room]: Updated Private Room

fixed moder cog

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Co-authored-by: weever <flix121312@gmail.com>
Co-authored-by: devbutlazy <devbutlazy@gmail.com>