chore: introduce zx, corepack and setup script

[hyf0]

Summary

🤖 Generated by Copilot at 2e274e3

This pull request adds a setup script and a doctor script to the project to help developers prepare their environment and tools for working on the project. It also adds some comments to disable TypeScript checking for some JavaScript files that use external modules and features. Additionally, it adds a .gitignore file, a package.json file, and a tsconfig.json file to the scripts folder to manage the dependencies and configuration of the scripts.

Walkthrough

🤖 Generated by Copilot at 2e274e3

• Add a setup script and a doctor script to improve the developer workflow and environment (link, link, link)
• Run the doctor script automatically before installing dependencies with pnpm (link)
• Add TypeScript support and configuration for the scripts folder (link)
• Add the zx module as a dependency for writing shell scripts in JavaScript and TypeScript (link)
• Disable TypeScript checking for JavaScript files that use Node.js or external modules and functions (link, link, link, link, link, link)
• Ignore the node_modules folder in the scripts folder (link)

Related issue (if exists)

#2678

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[Boshen]

@hyf0 I think we have a chicken and egg problem here, we haven't done npm install here so zx is undefined ...

rspack  main ❯ node scripts/meta/setup.mjs
node:internal/errors:478
    ErrorCaptureStackTrace(err);
    ^

Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'zx' imported from /Users/bytedance/github/rspack/scripts/meta/setup.mjs

[hyf0]

You are right. It looks like setup.mjs shouldn't rely on any dependency. Yeah, I just realized the reason why I create the folder using the name meta :(.