Examine source code of StoryGhost

{
  "manifest_version": 3,
  "name": "StoryGhost",
  "version": "1.2",
  "description": "A modern, responsive tool to view stories anonymously and privately.",
  "permissions": [
    "storage",
    "downloads",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "*://*.instagram.com/*"
  ],
  "icons": {
    "128": "icon.svg"
  },
  "action": {
    "default_title": "Open StoryGhost",
    "default_icon": "icon.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "storyghost@akirus.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}