Examine source code of Qase Sidebar Resizer

{
  "manifest_version": 2,
  "name": "Qase Sidebar Resizer",
  "version": "1.0",
  "description": "Resizes the sidebar on Qase.io if specific conditions are met.",
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://app.qase.io/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4923fae0-5208-4603-bd2b-0401a9e3bff3}"
    }
  }
}