Examine source code of Allergen Inside

{
  "description": "Find your allergens in any web page",
  "homepage_url": "https://allergeninside.com",
  "manifest_version": 2,
  "name": "Allergen Inside",
  "permissions": [
    "find",
    "tabs",
    "storage",
    "activeTab",
    "search",
    "notifications",
    "webNavigation",
    "<all_urls>"
  ],
  "icons": {
    "32": "ALLERGEN-INSIDE-LOGO.png"
  },
  "browser_action": {
    "browser_style": true,
    "default_title": "Allergen Inside",
    "default_icon": {
      "32": "ALLERGEN-INSIDE-LOGO.png"
    }
  },
  "sidebar_action": {
    "default_icon": "ALLERGEN-INSIDE-LOGO.png",
    "default_title": "Allergen Inside",
    "default_panel": "panel.html"
  },
  "version": "1.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{b917b80d-dca8-4447-9fad-9840085bfc87}"
    }
  }
}