feat(website): type parameters links, builtin doc links, default values

[Qjuh]

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

• TypeParameters of class, interface, type alias or function used in one of their members now link to the type parameter declaration on their parent
• moved the generation of builtinDocumentationLinks from the website to the generateSplitDocumentation script. needs to stay in website too for now to support loading already existing api.json files that don't have the links in them yet
• default values show in the excerpt for parameters of methods/functions as well as properties of interfaces

Also fixed two minor doc related nits in discord.js.

Status and versioning classification:

• I know how to update typings and have done so, or typings don't need updating
• This PR only includes non-code changes, like changes to documentation, README, etc.

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2 Skipped Deployments

Name	Status	Preview	Comments	Updated (UTC)
discord-js	⬜️ Ignored (Inspect)	Visit Preview		Sep 21, 2024 7:58pm
discord-js-guide	⬜️ Ignored (Inspect)	Visit Preview		Sep 21, 2024 7:58pm

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.

Project coverage is 35.46%. Comparing base (cda8d88) to head (bf18a64).

Files with missing lines	Patch %	Lines
apps/website/src/components/PropertyNode.tsx	0.00%	7 Missing ⚠️
apps/website/src/components/ParameterNode.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10515      +/-   ##
==========================================
- Coverage   35.48%   35.46%   -0.02%     
==========================================
  Files         228      228              
  Lines       14308    14315       +7     
  Branches     1254     1254              
==========================================
  Hits         5077     5077              
- Misses       9187     9194       +7     
  Partials       44       44              

Flag	Coverage Δ
brokers	31.44% <ø> (ø)
builders	91.58% <ø> (ø)
collection	100.00% <ø> (ø)
formatters	97.43% <ø> (ø)
proxy	66.27% <ø> (ø)
rest	87.37% <ø> (ø)
util	41.42% <ø> (ø)
utilities	100.00% <ø> (ø)
voice	63.64% <ø> (ø)
website	0.00% <0.00%> (ø)
ws	36.21% <ø> (ø)

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