Examine source code of URL Link

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "3.6",
  "description": "__MSG_extensionDescription__",
  "author": "Neil Bird",
  "homepage_url": "https://github.com/fnxweb/urllink",
  "default_locale": "en_US",
  "applications": {
    "gecko": {
      "id": "{139a120b-c2ea-41d2-bf70-542d9f063dfd}",
      "strict_min_version": "91.0"
    }
  },
  "icons": {
    "48": "icons/urllink-48.png",
    "96": "icons/urllink-96.png"
  },
  "background": {
    "scripts": [
      "common.js",
      "background.js"
    ]
  },
  "options_ui": {
    "browser_style": true,
    "page": "preferences.html",
    "open_in_tab": true
  },
  "permissions": [
    "clipboardWrite",
    "menus",
    "storage",
    "tabs"
  ]
}