chore(website): add documentation comments to various functions

[armano2]

PR Checklist

• Addresses an existing open issue: fixes #000
• That issue was marked as accepting prs
• Steps in Contributing were taken

Overview

• add missing documentation comments
• fix some linting issues
• small code reorganization
  • there was recently a lot of PR's merged and i think its a good point to reorganize and group functionalities together

[typescript-eslint]

Thanks for the PR, @armano2!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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✅ Successfully ran 30 targets

• Node 18 - nx test eslint-plugin
• Node 14 - nx test eslint-plugin --coverage=false
• nx run-many --target=build --projects=website-eslint,website
• nx run-many --target=lint --parallel
• Node 18 - nx test typescript-estree
• Node 18 - nx test scope-manager
• Node 18 - nx test utils
• Node 18 - nx run types:build
• Node 18 - nx test visitor-keys
• nx run types:build
• Node 18 - nx test type-utils
• Node 18 - nx test parser
• Node 18 - nx test repo-tools
• Node 18 - nx test eslint-plugin-internal
• Node 18 - nx test eslint-plugin-tslint
• Node 14 - nx test typescript-estree --coverage=false
• nx run integration-tests:test
• Node 14 - nx test scope-manager --coverage=false
• nx run-many --target=typecheck --parallel
• Node 14 - nx test ast-spec --coverage=false
• Node 14 - nx test type-utils --coverage=false
• Node 14 - nx test visitor-keys --coverage=false
• Node 14 - nx run types:build
• Node 18 - nx test ast-spec
• Node 14 - nx test eslint-plugin-internal --coverage=false
• Node 14 - nx test parser --coverage=false
• Node 14 - nx test utils --coverage=false
• Node 14 - nx test repo-tools --coverage=false
• Node 14 - nx test eslint-plugin-tslint --coverage=false
• nx run-many --target=build --parallel --exclude=website --exclude=website-eslint

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[JoshuaKGoldberg]

Nice!!