Examine source code of URL Security Scanner

{
  "manifest_version": 2,
  "name": "URL Security Scanner",
  "version": "1.0.9",
  "description": "Privacy-first URL security scanner. Security without surveillance.",
  "permissions": [
    "webRequest",
    "tabs",
    "storage",
    "activeTab",
    "contextMenus",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/shield-48.png"
    },
    "default_title": "URL Security Scanner",
    "default_popup": "popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "scanner@antigravity.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "id": "scanner@antigravity.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icons/shield-48.png",
    "96": "icons/shield-96.png"
  }
}