Examine source code of youtube-notebook

{
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon-128.png",
    "default_title": "youtube-notebook"
  },
  "name": "youtube-notebook",
  "description": "Jump to youtube-notebook",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "tabs",
    "contextMenus"
  ],
  "version": "0.2resigned1",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{e34660b3-37a3-493b-aa10-b078f3cd2729}"
    }
  }
}