Examine source code of Video Transcript

{
  "manifest_version": 3,
  "name": "Video Transcript",
  "description": "Turn video captions into searchable text — discover, save, and export transcripts from the Firefox sidebar. Free.",
  "version": "3.0.0",
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "optional_host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; connect-src 'self' http: https:"
  },
  "action": {
    "default_title": "Video Transcript",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "sidebar_action": {
    "default_title": "Video Transcript",
    "default_panel": "sidepanel/index.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "open_at_install": false
  },
  "background": {
    "scripts": [
      "background/service-worker.js"
    ],
    "type": "module"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "video-transcript@qyl.at",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}