Examine source code of Site Receipt

{
  "manifest_version": 2,
  "name": "Site Receipt",
  "version": "1.0.0",
  "description": "Get a private, local receipt for every website: active time, cookies, trackers, popups, permission attempts, storage changes, and a shareable site-conduct grade.",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webNavigation",
    "tabs",
    "cookies",
    "storage",
    "notifications"
  ],
  "background": {
    "scripts": [
      "src/shared.js",
      "src/background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "src/content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    "src/pageHook.js"
  ],
  "browser_action": {
    "default_title": "Site Receipt",
    "default_popup": "ui/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "options_ui": {
    "page": "ui/options.html",
    "browser_style": false
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "@site-receipt-local-first",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}