Examine source code of BetterTDX

{
  "manifest_version": 2,
  "name": "BetterTDX",
  "version": "2.1",
  "description": "Automatically refreshes TDX ticket queue.",
  "icons": {
    "48": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.teamdynamix.com/TDNext/Home/Desktop/Default.aspx"
      ],
      "js": [
        "./content_scripts/bettertdx.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/icon.png",
    "default_title": "BetterTDX",
    "default_popup": "popup/choose_interval.html"
  },
  "applications": {
    "gecko": {
      "id": "{8c3bb89c-7e35-411e-af5b-4ac1cabf5057}"
    }
  }
}