Examine source code of Contextual Phrase Quest

{
  "manifest_version": 3,
  "name": "Contextual Phrase Quest",
  "version": "1.0",
  "description": "Master English idioms and phrasal verbs in context! Challenge your vocabulary with real-world scenarios.",
  "icons": {
    "48": "phrase_quest_icon.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Contextual Phrase Quest"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{68ee0b6c-1583-4741-bd34-7476e495b49b}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}