Examine source code of LingoFlip

{
  "manifest_version": 3,
  "name": "LingoFlip",
  "version": "1.0",
  "description": "Master English idioms and daily phrases through an interactive quiz. Challenge yourself to match Vietnamese expressions with their correct English equivalents.",
  "icons": {
    "48": "lingoflip_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "LingoFlip"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1b43d7b5-4a40-46fe-98cd-cd7c25ff3019}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}