Examine source code of Smart Note Taker

{
  "manifest_version": 2,
  "name": "Smart Note Taker",
  "version": "1.0",
  "description": "Highlight text on any website and save it to organized notebooks.",
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icon.png"
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6d3b5dec-9691-48d4-a7c4-c5fb7dd369fd}"
    }
  }
}