/*
  X-Frame-Options: DENY
  X-Content-Type-Options: nosniff
  Referrer-Policy: strict-origin-when-cross-origin
  Permissions-Policy: geolocation=(), microphone=(), camera=()

/*.html
  Content-Type: text/html; charset=utf-8

/*.css
  Content-Type: text/css; charset=utf-8
  Cache-Control: public, max-age=31536000, immutable

/*.js
  Content-Type: application/javascript; charset=utf-8
  Cache-Control: public, max-age=31536000, immutable

/images/*
  Cache-Control: public, max-age=31536000, immutable
