Examine source code of UPF Ingredient Analyser

{
  "manifest_version": 2,
  "name": "UPF Ingredient Analyser",
  "version": "1.0",
  "description": "Extension to analyze ingredients and check if a product is ultra-processed.",
  "permissions": [],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "images/food-logo.png"
    }
  },
  "icons": {
    "128": "images/food-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d21db038-13d1-4b6e-9f33-10bdf6bced0c}"
    }
  }
}