Examine source code of Watch Video & Capture

{
  "name": "Watch Video & Capture",
  "description": "Watch any video and capture it",
  "version": "1.0",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "/popup/index.html",
    "default_icon": {
      "16": "/icons/icon32.png"
    }
  },
  "icons": {
    "16": "/icons/icon16.png",
    "32": "/icons/icon32.png",
    "48": "/icons/icon48.png",
    "128": "/icons/icon128.png"
  },
  "options_page": "/options/index.html",
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_start",
      "js": [
        "/content.bundle.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "/inject.bundle.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "background": {
    "scripts": [
      "/background.bundle.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "watch-video-capture@example.com",
      "strict_min_version": "130.0"
    }
  }
}