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  Content-Security-Policy: default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data:; connect-src 'self'; manifest-src 'self'; worker-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self'; object-src 'none'; upgrade-insecure-requests
  X-Frame-Options: DENY
  X-Content-Type-Options: nosniff
  Referrer-Policy: no-referrer
  Permissions-Policy: accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), payment=(), usb=(), interest-cohort=()
  Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
  Cross-Origin-Opener-Policy: same-origin
  Cross-Origin-Resource-Policy: same-origin
  Cross-Origin-Embedder-Policy: credentialless

/sw.js
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  Service-Worker-Allowed: /

/manifest.json
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