chore: rename vite devtools to rolldown devtools

[webfansplz]

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[Copilot]

Pull request overview

This PR performs a comprehensive rename operation to rebrand "Vite DevTools" to "Rolldown DevTools" across the entire codebase. The changes update package names, imports, file paths, UI text, documentation, and configuration files.

Changes:

• Renamed package from @vitejs/devtools-vite to @vitejs/devtools-rolldown
• Updated all imports, references, and path aliases throughout the codebase
• Changed UI strings, page titles, and metadata from "Vite" to "Rolldown"
• Updated configuration files (tsconfig, eslint, package.json, etc.)

Reviewed changes

Copilot reviewed 32 out of 182 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
packages/rolldown/package.json	Updated package name and description
packages/core/src/node/plugins/index.ts	Changed import from @vitejs/devtools-vite to @vitejs/devtools-rolldown
packages/core/package.json	Updated dependency references
packages/rolldown/src/node/plugin.ts	Renamed exported function and updated internal strings
packages/rolldown/src/nuxt.config.ts	Updated base URL and page titles
tsconfig.json & tsconfig.base.json	Updated TypeScript path mappings
alias.ts	Updated path alias definitions
package.json	Updated npm scripts
eslint.config.js	Updated ESLint configuration paths
docs/guide/index.md	Updated documentation references
CONTRIBUTING.md & AGENTS.md	Updated development documentation
.gitignore	Updated ignore paths
Multiple test/export files	Updated test expectations
Various new files in packages/rolldown/	All new source files for the renamed package

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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