docs: add eslint

[moskalakamil]

add eslint to docs together with @widlarzgroup/eslint-plugin-docusaurus

[Copilot]

Pull request overview

This PR adds ESLint configuration to the documentation workspace with the @widlarzgroup/eslint-plugin-docusaurus plugin, along with formatting fixes across multiple TypeScript and CSS files to comply with the newly introduced linting rules.

• Introduces ESLint configuration for the docs workspace with custom Docusaurus plugin for CSS linting
• Updates pre-commit hooks to include CSS linting for documentation files
• Applies comprehensive formatting fixes including quote style consistency, destructuring spacing, and JSX formatting

Reviewed changes

Copilot reviewed 9 out of 11 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
docs/.eslintrc.js	Adds new ESLint configuration that extends parent config and sets up the Docusaurus plugin with CSS processor
docs/package.json	Adds lint script, updates @widlarzgroup/docusaurus-ui to v0.0.3, and adds ESLint dependencies
lefthook.yml	Adds lint-docs-css pre-commit hook for CSS files and fixes spacing in types glob pattern
docs/src/css/custom.css	Updates comment block with better documentation about the imported package and its purpose
docs/src/pages/index.tsx	Applies ESLint formatting fixes: consistent destructuring spacing, proper JSX attribute formatting
docs/src/components/HomepageFeatures/index.tsx	Simplifies JSX fragments and applies consistent destructuring spacing
docs/src/components/PlatformsList/PlatformsList.tsx	Applies consistent destructuring spacing
docs/src/components/PlatformsList/PlatformsList.module.css	Removes commented-out CSS code
docs/sidebars.ts	Converts double quotes to single quotes throughout for consistency
docs/docusaurus.config.ts	Converts double quotes to single quotes and fixes trailing commas for consistency
bun.lock	Updates lock file with new dependencies and version bumps

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