Examine source code of TDX Easy Ticket ID

{
  "manifest_version": 2,
  "name": "TDX Easy Ticket ID",
  "version": "1.0.3",
  "author": "Voxnyx (Alexis Emerson)",
  "description": "By default if you want to copy a Ticket ID in Team Dynamix (TDX) you only have the option of copying the ID OR the URL to the ticket. This extension allows you to copy a TDX Ticket ID as a link, and if where your pasting only takes plain text it will return the ID and the url in the following format: '123456:https://support.your.site/TDWorkManagement/...'",
  "icons": {
    "16": "icons/extension-icon-16.png",
    "32": "icons/extension-icon-32.png",
    "48": "icons/extension-icon-48.png",
    "64": "icons/extension-icon-64.png",
    "128": "icons/extension-icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Copy Ticket ID",
    "default_icon": {
      "16": "icons/extension-icon-16.png",
      "32": "icons/extension-icon-32.png",
      "48": "icons/extension-icon-48.png",
      "64": "icons/extension-icon-64.png",
      "128": "icons/extension-icon-128.png"
    }
  },
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "webNavigation"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{0555492a-c59c-462c-a113-6f7f7dbe00b2}"
    }
  }
}