XSound 4.0.1

• Divide npm scripts for build multiple WebAssembly Modules into build single WebAssembly Module
• Update playground
  • Fix pitch shifter the default parameters on playground
• Format Jest config file
• Add .gitattributes
  • HTML, CSS and JavaScript files are linguist-vendored
• Update Node.js LTS version
  • webpack fixed to import package.json (Node.js v22 or later)
  • Update GitHub Actions
    • Support Node.js v22
    • Not support Node.js v18
• Update README
  • Update document URL
  • Add installation by pnpm
  • typo
• Autofix package-lock.json (npm audit fix)