Examine source code of LingoFlip

{
  "manifest_version": 2,
  "name": "LingoFlip",
  "version": "1.0",
  "description": "An interactive multiple-choice quiz tool designed to reinforce language retention by matching common phrases with their meanings.",
  "icons": {
    "48": "lingoflip_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "LingoFlip Quiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{86354595-1cb0-4a18-a060-3b5599bd65da}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}