/*
  X-Content-Type-Options: nosniff
  Referrer-Policy: strict-origin-when-cross-origin
  Permissions-Policy: camera=(), microphone=(), geolocation=()
  Cross-Origin-Opener-Policy: same-origin

/index.html
  Cache-Control: no-cache, must-revalidate

/app.css
  Cache-Control: no-cache, must-revalidate

/app.js
  Cache-Control: no-cache, must-revalidate

/service-worker.js
  Cache-Control: no-cache, must-revalidate
