Examine source code of Youtube-SkipS-hit

{
  "manifest_version": 2,
  "name": "Youtube-SkipS-hit",
  "version": "1.0",
  "description": "Redirect www.youtube.com to www.youtube.com/feed/subscriptions to save users from recommendations.",
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "whileload.js"
      ]
    }
  ]
}