Examine source code of Dictionary Lookup

{
  "manifest_version": 2,
  "name": "Dictionary Lookup",
  "version": "1.3",
  "description": "Look up word definitions using the Free Dictionary API (dictionaryapi.dev). Right-click any selected word to see its definition, pronunciation, and examples.",
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Dictionary Lookup",
    "default_icon": {
      "48": "icons/icon-48.png"
    }
  },
  "icons": {
    "48": "icons/icon-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "dictionary-lookup@feld.dev",
      "strict_min_version": "79.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}