feat: @discordjs/structures

[Qjuh]

Please describe the changes this PR makes and why it should be merged:

Supersedes #8417

Introduces a generic structure implementation for the main lib (and others) to build on.

TODO:

• Application
• Audit Log
• Auto Moderation
• Channel
  • Channels
  • PermissionOverwrite
  • ForumTag
  • ThreadMetadata
  • Mixins
    • DM
    • Guild
    • Text
    •  Owner
    • Parent
    • Permissions
    • Pin
    •  Slowmode
    • Topic
    • Webhooks
    • Thread
    • ThreadOnly
    • Voice
  • Message
• Emoji
• Guild
  • Guild
  • Guild Preview
  • Guild Widget
  • Guild Member
  • Integration
  • Guild Ban
  • Membership Screening Oh wait...this is still undocumented
• Guild Scheduled Event
• Guild Template
• Interactions (Need more thoughts on this)
• Invite
• Stage Instance
• Sticker
  • Sticker
  • Sticker Pack
• Teams
• User
  • User
    • AvatarDecorationData
  • Connection
• Voice
  • Voice State
  • Voice Region
• Webhook

Status and versioning classification:

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
discord-js	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 30, 2025 2:16pm
discord-js-guide	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 30, 2025 2:16pm

[codecov]

Codecov Report

Attention: Patch coverage is 85.19528% with 163 lines in your changes missing coverage. Please review.

Project coverage is 60.48%. Comparing base (762bbc6) to head (f3cef03).

Files with missing lines	Patch %	Lines
packages/structures/src/bitfields/BitField.ts	31.03%	60 Missing ⚠️
packages/structures/src/users/User.ts	37.68%	43 Missing ⚠️
packages/structures/src/users/Connection.ts	42.10%	22 Missing ⚠️
packages/structures/src/channels/Channel.ts	84.37%	10 Missing ⚠️
...es/structures/src/bitfields/PermissionsBitField.ts	63.63%	8 Missing ⚠️
packages/structures/src/Mixin.ts	96.03%	5 Missing ⚠️
packages/structures/src/utils/optimization.ts	16.66%	5 Missing ⚠️
...kages/structures/src/users/AvatarDecorationData.ts	63.63%	4 Missing ⚠️
packages/structures/src/Structure.ts	92.30%	2 Missing ⚠️
...ges/structures/src/channels/PermissionOverwrite.ts	96.00%	2 Missing ⚠️
... and 1 more

Additional details and impacted files

@@             Coverage Diff             @@
##             main   #10900       +/-   ##
===========================================
+ Coverage   42.75%   60.48%   +17.73%     
===========================================
  Files         262      207       -55     
  Lines       16079    11808     -4271     
  Branches     1548     1637       +89     
===========================================
+ Hits         6874     7142      +268     
+ Misses       9193     4654     -4539     
  Partials       12       12               

Flag	Coverage Δ
brokers	31.41% <ø> (ø)
builders	80.49% <ø> (ø)
collection	100.00% <ø> (ø)
core	0.89% <ø> (ø)
discord.js	?
formatters	99.63% <ø> (ø)
guide	?
next	?
proxy	65.88% <ø> (ø)
rest	86.50% <85.19%> (-1.31%)	⬇️
util	43.28% <ø> (ø)
utilities	100.00% <ø> (ø)
voice	70.90% <ø> (ø)
website	?
ws	36.29% <ø> (ø)

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Resolved.