feat: implement (temp)bans

[HeadTriXz]

Closes #14, part of #24.

• Adds a /ban command
• Supports temporary bans (scheduled unbans)

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.03% 🎉

Comparison is base (22e2f05) 99.28% compared to head (e567bef) 99.31%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #63      +/-   ##
==========================================
+ Coverage   99.28%   99.31%   +0.03%     
==========================================
  Files         107      110       +3     
  Lines       12283    12925     +642     
  Branches     1321     1405      +84     
==========================================
+ Hits        12195    12837     +642     
  Misses         88       88              

Flag	Coverage Δ
barry	99.01% <100.00%> (+0.07%)	⬆️
core	99.92% <ø> (ø)
logger	100.00% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
...modules/moderation/commands/chatinput/ban/index.ts	100.00% <100.00%> (ø)
...odules/moderation/commands/chatinput/kick/index.ts	100.00% <100.00%> (ø)
...odules/moderation/commands/chatinput/mute/index.ts	100.00% <100.00%> (ø)
apps/barry/src/modules/moderation/database.ts	100.00% <100.00%> (ø)
...ry/src/modules/moderation/functions/getDuration.ts	100.00% <100.00%> (ø)
.../src/modules/moderation/functions/getLogContent.ts	100.00% <100.00%> (ø)
apps/barry/src/modules/moderation/index.ts	100.00% <100.00%> (ø)

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