Examine source code of Chaotic Sound Effects

{
  "manifest_version": 3,
  "name": "Chaotic Sound Effects",
  "short_name": "Chaotic SFX",
  "version": "9999.9999.9999.10077",
  "version_name": "v9.9.9.9.9.9.9.9.9 build 10077",
  "description": "Creates an endless five-track stereo collage from a library of sound effects paired with a duophonic synth engine.",
  "homepage_url": "https://mikeyoung.org/csfx/",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "96": "icon-96.png",
    "128": "icon-128.png"
  },
  "action": {
    "default_title": "Open Chaotic Sound Effects",
    "default_icon": {
      "16": "icon-16.png",
      "32": "icon-32.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_security_policy": {
    "extension_pages": "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self'; media-src 'self' blob:; connect-src 'self'; object-src 'none'; base-uri 'none'; form-action 'none'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "chaotic-sound-effects@mikeyoung.org",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}