Examine source code of Radarr Netflix Shell

{
  "manifest_version": 2,
  "name": "Radarr Netflix Shell",
  "version": "1.0.0",
  "description": "A Netflix-style movie gallery that replaces the Radarr UI with filters, release info, and rich metadata",
  "browser_specific_settings": {
    "gecko": {
      "id": "radarr-netflix-shell@local",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "https://api.themoviedb.org/*",
    "https://www.releases.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon48.png",
      "96": "icon96.png"
    }
  },
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png"
  }
}