Examine source code of Netflix Intro Skip

{
  "short_name": "NflxIntroSkip",
  "description": "Automatically skip intros in the Netflix web-player",
  "version": "2.0.0",
  "manifest_version": 3,
  "name": "NflxIntroSkip (Netflix Intro Skip)",
  "homepage_url": "https://github.com/gmertes/NflxIntroSkip",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.netflix.com/*"
      ],
      "js": [
        "content.min.js"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": {},
  "host_permissions": [
    "https://www.netflix.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{299ffd78-6e92-4b69-8fbc-0596bc243c23}"
    }
  }
}