Examine source code of YouTube No Playlist!

{
  "manifest_version": 2,
  "name": "YouTube No Playlist!",
  "version": "0.0.1",
  "developer": {
    "name": "Klemens Schölhorn",
    "url": "https://klemens.schoelhorn.eu/"
  },
  "description": "Open YouTube playlist videos without the playlist in a new tab.",
  "applications": {
    "gecko": {
      "id": "youtube-no-playlist@klemens.io"
    }
  },
  "icons": {
    "16": "icon/normal.svg",
    "32": "icon/normal.svg",
    "48": "icon/normal.svg",
    "96": "icon/normal.svg"
  },
  "permissions": [
    "menus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}