Examine source code of Torn Exchange 2.0

{
  "manifest_version": 3,
  "name": "Torn Exchange",
  "version": "2.3",
  "description": "For Torn traders that use Torn Exchange for their price list. You can now also use TE message templates!",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "128": "images/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.torn.com/*"
      ],
      "js": [
        "scripts/content.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "host_permissions": [
    "*://*.torn.com/*",
    "https://www.tornexchange.com/*"
  ],
  "action": {
    "default_icon": "images/icon.png",
    "default_title": "Torn Exchange",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ata@tornexchange.com",
      "strict_min_version": "109.0"
    }
  }
}